diff --git a/libpng-1.6.31-apng.patch b/libpng-1.6.32-apng.patch
similarity index 90%
rename from libpng-1.6.31-apng.patch
rename to libpng-1.6.32-apng.patch
index 2bd2b5d..4ac322a 100644
--- a/libpng-1.6.31-apng.patch
+++ b/libpng-1.6.32-apng.patch
@@ -1,6 +1,6 @@
-diff -Naru libpng-1.6.31.org/png.h libpng-1.6.31/png.h
---- libpng-1.6.31.org/png.h	2017-07-29 10:08:06.209574100 +0900
-+++ libpng-1.6.31/png.h	2017-07-29 10:50:19.591317483 +0900
+diff -Naru libpng-1.6.32.org/png.h libpng-1.6.32/png.h
+--- libpng-1.6.32.org/png.h	2017-08-26 22:11:25.278792058 +0900
++++ libpng-1.6.32/png.h	2017-08-26 22:09:53.992082612 +0900
 @@ -361,6 +361,10 @@
  #   include "pnglibconf.h"
  #endif
@@ -52,97 +52,97 @@ diff -Naru libpng-1.6.31.org/png.h libpng-1.6.31/png.h
  
  /* The following callback receives png_uint_32 row_number, int pass for the
   * png_bytep data of the row.  When transforming an interlaced image the
-@@ -3250,6 +3273,74 @@
+@@ -3255,6 +3278,74 @@
  /*******************************************************************************
   *  END OF HARDWARE AND SOFTWARE OPTIONS
   ******************************************************************************/
 +#ifdef PNG_APNG_SUPPORTED
-+PNG_EXPORT(248, png_uint_32, png_get_acTL, (png_structp png_ptr,
++PNG_EXPORT(250, png_uint_32, png_get_acTL, (png_structp png_ptr,
 +   png_infop info_ptr, png_uint_32 *num_frames, png_uint_32 *num_plays));
 +
-+PNG_EXPORT(249, png_uint_32, png_set_acTL, (png_structp png_ptr,
++PNG_EXPORT(251, png_uint_32, png_set_acTL, (png_structp png_ptr,
 +   png_infop info_ptr, png_uint_32 num_frames, png_uint_32 num_plays));
 +
-+PNG_EXPORT(250, png_uint_32, png_get_num_frames, (png_structp png_ptr,
++PNG_EXPORT(252, png_uint_32, png_get_num_frames, (png_structp png_ptr,
 +   png_infop info_ptr));
 +
-+PNG_EXPORT(251, png_uint_32, png_get_num_plays, (png_structp png_ptr,
++PNG_EXPORT(253, png_uint_32, png_get_num_plays, (png_structp png_ptr,
 +   png_infop info_ptr));
 +
-+PNG_EXPORT(252, png_uint_32, png_get_next_frame_fcTL,
++PNG_EXPORT(254, png_uint_32, png_get_next_frame_fcTL,
 +   (png_structp png_ptr, png_infop info_ptr, png_uint_32 *width,
 +   png_uint_32 *height, png_uint_32 *x_offset, png_uint_32 *y_offset,
 +   png_uint_16 *delay_num, png_uint_16 *delay_den, png_byte *dispose_op,
 +   png_byte *blend_op));
 +
-+PNG_EXPORT(253, png_uint_32, png_set_next_frame_fcTL,
++PNG_EXPORT(255, png_uint_32, png_set_next_frame_fcTL,
 +   (png_structp png_ptr, png_infop info_ptr, png_uint_32 width,
 +   png_uint_32 height, png_uint_32 x_offset, png_uint_32 y_offset,
 +   png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op,
 +   png_byte blend_op));
 +
-+PNG_EXPORT(254, png_uint_32, png_get_next_frame_width,
++PNG_EXPORT(256, png_uint_32, png_get_next_frame_width,
 +   (png_structp png_ptr, png_infop info_ptr));
-+PNG_EXPORT(255, png_uint_32, png_get_next_frame_height,
++PNG_EXPORT(257, png_uint_32, png_get_next_frame_height,
 +   (png_structp png_ptr, png_infop info_ptr));
-+PNG_EXPORT(256, png_uint_32, png_get_next_frame_x_offset,
++PNG_EXPORT(258, png_uint_32, png_get_next_frame_x_offset,
 +   (png_structp png_ptr, png_infop info_ptr));
-+PNG_EXPORT(257, png_uint_32, png_get_next_frame_y_offset,
++PNG_EXPORT(259, png_uint_32, png_get_next_frame_y_offset,
 +   (png_structp png_ptr, png_infop info_ptr));
-+PNG_EXPORT(258, png_uint_16, png_get_next_frame_delay_num,
++PNG_EXPORT(260, png_uint_16, png_get_next_frame_delay_num,
 +   (png_structp png_ptr, png_infop info_ptr));
-+PNG_EXPORT(259, png_uint_16, png_get_next_frame_delay_den,
++PNG_EXPORT(261, png_uint_16, png_get_next_frame_delay_den,
 +   (png_structp png_ptr, png_infop info_ptr));
-+PNG_EXPORT(260, png_byte, png_get_next_frame_dispose_op,
++PNG_EXPORT(262, png_byte, png_get_next_frame_dispose_op,
 +   (png_structp png_ptr, png_infop info_ptr));
-+PNG_EXPORT(261, png_byte, png_get_next_frame_blend_op,
++PNG_EXPORT(263, png_byte, png_get_next_frame_blend_op,
 +   (png_structp png_ptr, png_infop info_ptr));
-+PNG_EXPORT(262, png_byte, png_get_first_frame_is_hidden,
++PNG_EXPORT(264, png_byte, png_get_first_frame_is_hidden,
 +   (png_structp png_ptr, png_infop info_ptr));
-+PNG_EXPORT(263, png_uint_32, png_set_first_frame_is_hidden,
++PNG_EXPORT(265, png_uint_32, png_set_first_frame_is_hidden,
 +   (png_structp png_ptr, png_infop info_ptr, png_byte is_hidden));
 +
 +#ifdef PNG_READ_APNG_SUPPORTED
-+PNG_EXPORT(264, void, png_read_frame_head, (png_structp png_ptr,
++PNG_EXPORT(266, void, png_read_frame_head, (png_structp png_ptr,
 +   png_infop info_ptr));
 +#ifdef PNG_PROGRESSIVE_READ_SUPPORTED
-+PNG_EXPORT(265, void, png_set_progressive_frame_fn, (png_structp png_ptr,
++PNG_EXPORT(267, void, png_set_progressive_frame_fn, (png_structp png_ptr,
 +   png_progressive_frame_ptr frame_info_fn,
 +   png_progressive_frame_ptr frame_end_fn));
 +#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
 +#endif /* PNG_READ_APNG_SUPPORTED */
 +
 +#ifdef PNG_WRITE_APNG_SUPPORTED
-+PNG_EXPORT(266, void, png_write_frame_head, (png_structp png_ptr,
++PNG_EXPORT(268, void, png_write_frame_head, (png_structp png_ptr,
 +   png_infop info_ptr, png_bytepp row_pointers,
 +   png_uint_32 width, png_uint_32 height,
 +   png_uint_32 x_offset, png_uint_32 y_offset,
 +   png_uint_16 delay_num, png_uint_16 delay_den, png_byte dispose_op,
 +   png_byte blend_op));
 +
-+PNG_EXPORT(267, void, png_write_frame_tail, (png_structp png_ptr,
++PNG_EXPORT(269, void, png_write_frame_tail, (png_structp png_ptr,
 +   png_infop info_ptr));
 +#endif /* PNG_WRITE_APNG_SUPPORTED */
 +#endif /* PNG_APNG_SUPPORTED */
  
  /* Maintainer: Put new public prototypes here ^, in libpng.3, in project
   * defs, and in scripts/symbols.def.
-@@ -3259,7 +3350,11 @@
+@@ -3264,7 +3355,11 @@
   * one to use is one more than this.)
   */
  #ifdef PNG_EXPORT_LAST_ORDINAL
 +#ifdef PNG_APNG_SUPPORTED
-+  PNG_EXPORT_LAST_ORDINAL(267);
++  PNG_EXPORT_LAST_ORDINAL(269);
 +#else
-   PNG_EXPORT_LAST_ORDINAL(247);
+   PNG_EXPORT_LAST_ORDINAL(249);
 +#endif /* PNG_APNG_SUPPORTED */
  #endif
  
  #ifdef __cplusplus
-diff -Naru libpng-1.6.31.org/pngget.c libpng-1.6.31/pngget.c
---- libpng-1.6.31.org/pngget.c	2017-07-29 10:08:06.209574100 +0900
-+++ libpng-1.6.31/pngget.c	2017-07-29 10:50:19.582316721 +0900
-@@ -1234,4 +1234,166 @@
+diff -Naru libpng-1.6.32.org/pngget.c libpng-1.6.32/pngget.c
+--- libpng-1.6.32.org/pngget.c	2017-08-26 22:11:25.279792143 +0900
++++ libpng-1.6.32/pngget.c	2017-08-26 22:06:27.947679261 +0900
+@@ -1245,4 +1245,166 @@
  #  endif
  #endif
  
@@ -309,10 +309,10 @@ diff -Naru libpng-1.6.31.org/pngget.c libpng-1.6.31/pngget.c
 +}
 +#endif /* PNG_APNG_SUPPORTED */
  #endif /* READ || WRITE */
-diff -Naru libpng-1.6.31.org/pnginfo.h libpng-1.6.31/pnginfo.h
---- libpng-1.6.31.org/pnginfo.h	2017-07-29 10:08:06.210574185 +0900
-+++ libpng-1.6.31/pnginfo.h	2017-07-29 10:50:19.582316721 +0900
-@@ -260,5 +260,18 @@
+diff -Naru libpng-1.6.32.org/pnginfo.h libpng-1.6.32/pnginfo.h
+--- libpng-1.6.32.org/pnginfo.h	2017-08-26 22:11:25.279792143 +0900
++++ libpng-1.6.32/pnginfo.h	2017-08-26 22:06:27.947679261 +0900
+@@ -263,5 +263,18 @@
     png_bytepp row_pointers;        /* the image bits */
  #endif
  
@@ -331,10 +331,10 @@ diff -Naru libpng-1.6.31.org/pnginfo.h libpng-1.6.31/pnginfo.h
 +
  };
  #endif /* PNGINFO_H */
-diff -Naru libpng-1.6.31.org/pngpread.c libpng-1.6.31/pngpread.c
---- libpng-1.6.31.org/pngpread.c	2017-06-30 16:42:16.781952082 +0900
-+++ libpng-1.6.31/pngpread.c	2017-07-29 10:50:19.582316721 +0900
-@@ -194,6 +194,106 @@
+diff -Naru libpng-1.6.32.org/pngpread.c libpng-1.6.32/pngpread.c
+--- libpng-1.6.32.org/pngpread.c	2017-08-26 22:11:25.279792143 +0900
++++ libpng-1.6.32/pngpread.c	2017-08-26 22:06:27.947679261 +0900
+@@ -195,6 +195,106 @@
  
     chunk_name = png_ptr->chunk_name;
  
@@ -441,7 +441,7 @@ diff -Naru libpng-1.6.31.org/pngpread.c libpng-1.6.31/pngpread.c
     if (chunk_name == png_IDAT)
     {
        if ((png_ptr->mode & PNG_AFTER_IDAT) != 0)
-@@ -260,6 +360,9 @@
+@@ -261,6 +361,9 @@
  
     else if (chunk_name == png_IDAT)
     {
@@ -451,7 +451,7 @@ diff -Naru libpng-1.6.31.org/pngpread.c libpng-1.6.31/pngpread.c
        png_ptr->idat_size = png_ptr->push_length;
        png_ptr->process_mode = PNG_READ_IDAT_MODE;
        png_push_have_info(png_ptr, info_ptr);
-@@ -405,6 +508,30 @@
+@@ -406,6 +509,30 @@
        png_handle_iTXt(png_ptr, info_ptr, png_ptr->push_length);
     }
  #endif
@@ -482,7 +482,7 @@ diff -Naru libpng-1.6.31.org/pngpread.c libpng-1.6.31/pngpread.c
  
     else
     {
-@@ -538,7 +665,11 @@
+@@ -539,7 +666,11 @@
        png_byte chunk_tag[4];
  
        /* TODO: this code can be commoned up with the same code in push_read */
@@ -494,7 +494,7 @@ diff -Naru libpng-1.6.31.org/pngpread.c libpng-1.6.31/pngpread.c
        png_push_fill_buffer(png_ptr, chunk_length, 4);
        png_ptr->push_length = png_get_uint_31(png_ptr, chunk_length);
        png_reset_crc(png_ptr);
-@@ -546,17 +677,64 @@
+@@ -547,17 +678,64 @@
        png_ptr->chunk_name = PNG_CHUNK_FROM_STRING(chunk_tag);
        png_ptr->mode |= PNG_HAVE_CHUNK_HEADER;
  
@@ -559,7 +559,7 @@ diff -Naru libpng-1.6.31.org/pngpread.c libpng-1.6.31/pngpread.c
     }
  
     if (png_ptr->idat_size != 0 && png_ptr->save_buffer_size != 0)
-@@ -630,6 +808,15 @@
+@@ -631,6 +809,15 @@
     if (!(buffer_length > 0) || buffer == NULL)
        png_error(png_ptr, "No IDAT data (internal error)");
  
@@ -575,7 +575,7 @@ diff -Naru libpng-1.6.31.org/pngpread.c libpng-1.6.31/pngpread.c
     /* This routine must process all the data it has been given
      * before returning, calling the row callback as required to
      * handle the uncompressed results.
-@@ -1084,6 +1271,18 @@
+@@ -1085,6 +1272,18 @@
     png_set_read_fn(png_ptr, progressive_ptr, png_push_fill_buffer);
  }
  
@@ -594,9 +594,9 @@ diff -Naru libpng-1.6.31.org/pngpread.c libpng-1.6.31/pngpread.c
  png_voidp PNGAPI
  png_get_progressive_ptr(png_const_structrp png_ptr)
  {
-diff -Naru libpng-1.6.31.org/pngpriv.h libpng-1.6.31/pngpriv.h
---- libpng-1.6.31.org/pngpriv.h	2017-07-29 10:08:06.210574185 +0900
-+++ libpng-1.6.31/pngpriv.h	2017-07-29 10:50:19.582316721 +0900
+diff -Naru libpng-1.6.32.org/pngpriv.h libpng-1.6.32/pngpriv.h
+--- libpng-1.6.32.org/pngpriv.h	2017-08-26 22:11:25.280792227 +0900
++++ libpng-1.6.32/pngpriv.h	2017-08-26 22:06:27.948679346 +0900
 @@ -628,6 +628,10 @@
  #define PNG_HAVE_CHUNK_AFTER_IDAT 0x2000U /* Have another chunk after IDAT */
                     /*             0x4000U (unused) */
@@ -625,7 +625,7 @@ diff -Naru libpng-1.6.31.org/pngpriv.h libpng-1.6.31/pngpriv.h
  /* The following will work on (signed char*) strings, whereas the get_uint_32
   * macro will fail on top-bit-set values because of the sign extension.
   */
-@@ -1627,6 +1641,47 @@
+@@ -1635,6 +1649,47 @@
      */
  #endif
  
@@ -673,9 +673,9 @@ diff -Naru libpng-1.6.31.org/pngpriv.h libpng-1.6.31/pngpriv.h
  /* Added at libpng version 1.4.0 */
  #ifdef PNG_COLORSPACE_SUPPORTED
  /* These internal functions are for maintaining the colorspace structure within
-diff -Naru libpng-1.6.31.org/pngread.c libpng-1.6.31/pngread.c
---- libpng-1.6.31.org/pngread.c	2017-07-29 10:08:06.211574269 +0900
-+++ libpng-1.6.31/pngread.c	2017-07-29 10:50:19.582316721 +0900
+diff -Naru libpng-1.6.32.org/pngread.c libpng-1.6.32/pngread.c
+--- libpng-1.6.32.org/pngread.c	2017-08-26 22:11:25.280792227 +0900
++++ libpng-1.6.32/pngread.c	2017-08-26 22:06:27.948679346 +0900
 @@ -161,6 +161,9 @@
  
        else if (chunk_name == png_IDAT)
@@ -686,7 +686,7 @@ diff -Naru libpng-1.6.31.org/pngread.c libpng-1.6.31/pngread.c
           png_ptr->idat_size = length;
           break;
        }
-@@ -250,6 +253,17 @@
+@@ -255,6 +258,17 @@
           png_handle_iTXt(png_ptr, info_ptr, length);
  #endif
  
@@ -704,7 +704,7 @@ diff -Naru libpng-1.6.31.org/pngread.c libpng-1.6.31/pngread.c
        else
           png_handle_unknown(png_ptr, info_ptr, length,
               PNG_HANDLE_CHUNK_AS_DEFAULT);
-@@ -257,6 +271,72 @@
+@@ -262,6 +276,72 @@
  }
  #endif /* SEQUENTIAL_READ */
  
@@ -777,10 +777,10 @@ diff -Naru libpng-1.6.31.org/pngread.c libpng-1.6.31/pngread.c
  /* Optional call to update the users info_ptr structure */
  void PNGAPI
  png_read_update_info(png_structrp png_ptr, png_inforp info_ptr)
-diff -Naru libpng-1.6.31.org/pngrutil.c libpng-1.6.31/pngrutil.c
---- libpng-1.6.31.org/pngrutil.c	2017-07-29 10:08:06.212574354 +0900
-+++ libpng-1.6.31/pngrutil.c	2017-07-29 10:50:19.583316806 +0900
-@@ -861,6 +861,11 @@
+diff -Naru libpng-1.6.32.org/pngrutil.c libpng-1.6.32/pngrutil.c
+--- libpng-1.6.32.org/pngrutil.c	2017-08-26 22:11:25.281792312 +0900
++++ libpng-1.6.32/pngrutil.c	2017-08-26 22:06:27.950679514 +0900
+@@ -864,6 +864,11 @@
     filter_type = buf[11];
     interlace_type = buf[12];
  
@@ -792,7 +792,7 @@ diff -Naru libpng-1.6.31.org/pngrutil.c libpng-1.6.31/pngrutil.c
     /* Set internal variables */
     png_ptr->width = width;
     png_ptr->height = height;
-@@ -2802,6 +2807,179 @@
+@@ -2847,6 +2852,179 @@
  }
  #endif
  
@@ -972,7 +972,7 @@ diff -Naru libpng-1.6.31.org/pngrutil.c libpng-1.6.31/pngrutil.c
  #ifdef PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
  /* Utility function for png_handle_unknown; set up png_ptr::unknown_chunk */
  static int
-@@ -4069,7 +4247,38 @@
+@@ -4152,7 +4330,38 @@
        {
           uInt avail_in;
           png_bytep buffer;
@@ -1011,7 +1011,7 @@ diff -Naru libpng-1.6.31.org/pngrutil.c libpng-1.6.31/pngrutil.c
           while (png_ptr->idat_size == 0)
           {
              png_crc_finish(png_ptr, 0);
-@@ -4081,7 +4290,7 @@
+@@ -4164,7 +4373,7 @@
              if (png_ptr->chunk_name != png_IDAT)
                 png_error(png_ptr, "Not enough image data");
           }
@@ -1020,7 +1020,7 @@ diff -Naru libpng-1.6.31.org/pngrutil.c libpng-1.6.31/pngrutil.c
           avail_in = png_ptr->IDAT_read_size;
  
           if (avail_in > png_ptr->idat_size)
-@@ -4144,6 +4353,9 @@
+@@ -4227,6 +4436,9 @@
  
           png_ptr->mode |= PNG_AFTER_IDAT;
           png_ptr->flags |= PNG_FLAG_ZSTREAM_ENDED;
@@ -1030,7 +1030,7 @@ diff -Naru libpng-1.6.31.org/pngrutil.c libpng-1.6.31/pngrutil.c
  
           if (png_ptr->zstream.avail_in > 0 || png_ptr->idat_size > 0)
              png_chunk_benign_error(png_ptr, "Extra compressed data");
-@@ -4582,4 +4794,80 @@
+@@ -4665,4 +4877,80 @@
  
     png_ptr->flags |= PNG_FLAG_ROW_INIT;
  }
@@ -1111,10 +1111,10 @@ diff -Naru libpng-1.6.31.org/pngrutil.c libpng-1.6.31/pngrutil.c
 +#endif /* PNG_PROGRESSIVE_READ_SUPPORTED */
 +#endif /* PNG_READ_APNG_SUPPORTED */
  #endif /* READ */
-diff -Naru libpng-1.6.31.org/pngset.c libpng-1.6.31/pngset.c
---- libpng-1.6.31.org/pngset.c	2017-07-29 10:08:06.212574354 +0900
-+++ libpng-1.6.31/pngset.c	2017-07-29 10:50:19.587317145 +0900
-@@ -274,6 +274,11 @@
+diff -Naru libpng-1.6.32.org/pngset.c libpng-1.6.32/pngset.c
+--- libpng-1.6.32.org/pngset.c	2017-08-26 22:11:25.282792396 +0900
++++ libpng-1.6.32/pngset.c	2017-08-26 22:06:27.950679514 +0900
+@@ -288,6 +288,11 @@
     info_ptr->pixel_depth = (png_byte)(info_ptr->channels * info_ptr->bit_depth);
  
     info_ptr->rowbytes = PNG_ROWBYTES(info_ptr->pixel_depth, width);
@@ -1126,7 +1126,7 @@ diff -Naru libpng-1.6.31.org/pngset.c libpng-1.6.31/pngset.c
  }
  
  #ifdef PNG_oFFs_SUPPORTED
-@@ -1144,6 +1149,147 @@
+@@ -1158,6 +1163,147 @@
  }
  #endif /* sPLT */
  
@@ -1274,9 +1274,9 @@ diff -Naru libpng-1.6.31.org/pngset.c libpng-1.6.31/pngset.c
  #ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED
  static png_byte
  check_location(png_const_structrp png_ptr, int location)
-diff -Naru libpng-1.6.31.org/pngstruct.h libpng-1.6.31/pngstruct.h
---- libpng-1.6.31.org/pngstruct.h	2017-07-29 10:08:06.212574354 +0900
-+++ libpng-1.6.31/pngstruct.h	2017-07-29 10:50:19.583316806 +0900
+diff -Naru libpng-1.6.32.org/pngstruct.h libpng-1.6.32/pngstruct.h
+--- libpng-1.6.32.org/pngstruct.h	2017-08-26 22:11:25.282792396 +0900
++++ libpng-1.6.32/pngstruct.h	2017-08-26 22:06:27.950679514 +0900
 @@ -403,6 +403,27 @@
     png_byte filter_type;
  #endif
@@ -1305,10 +1305,10 @@ diff -Naru libpng-1.6.31.org/pngstruct.h libpng-1.6.31/pngstruct.h
  /* New members added in libpng-1.2.0 */
  
  /* New members added in libpng-1.0.2 but first enabled by default in 1.2.0 */
-diff -Naru libpng-1.6.31.org/pngtest.c libpng-1.6.31/pngtest.c
---- libpng-1.6.31.org/pngtest.c	2017-07-29 10:08:06.212574354 +0900
-+++ libpng-1.6.31/pngtest.c	2017-07-29 10:50:19.583316806 +0900
-@@ -874,6 +874,10 @@
+diff -Naru libpng-1.6.32.org/pngtest.c libpng-1.6.32/pngtest.c
+--- libpng-1.6.32.org/pngtest.c	2017-08-26 22:11:25.282792396 +0900
++++ libpng-1.6.32/pngtest.c	2017-08-26 22:06:27.950679514 +0900
+@@ -875,6 +875,10 @@
     volatile int num_passes;
     int pass;
     int bit_depth, color_type;
@@ -1319,7 +1319,7 @@ diff -Naru libpng-1.6.31.org/pngtest.c libpng-1.6.31/pngtest.c
  
     row_buf = NULL;
     error_parameters.file_name = inname;
-@@ -1366,6 +1370,22 @@
+@@ -1381,6 +1385,22 @@
        }
     }
  #endif
@@ -1342,7 +1342,7 @@ diff -Naru libpng-1.6.31.org/pngtest.c libpng-1.6.31/pngtest.c
  #ifdef PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
     {
        png_unknown_chunkp unknowns;
-@@ -1442,6 +1462,110 @@
+@@ -1461,6 +1481,110 @@
     t_misc += (t_stop - t_start);
     t_start = t_stop;
  #endif
@@ -1453,9 +1453,9 @@ diff -Naru libpng-1.6.31.org/pngtest.c libpng-1.6.31/pngtest.c
     for (pass = 0; pass < num_passes; pass++)
     {
  #     ifdef calc_pass_height
-diff -Naru libpng-1.6.31.org/pngwrite.c libpng-1.6.31/pngwrite.c
---- libpng-1.6.31.org/pngwrite.c	2017-07-29 10:08:06.213574438 +0900
-+++ libpng-1.6.31/pngwrite.c	2017-07-29 10:50:19.584316891 +0900
+diff -Naru libpng-1.6.32.org/pngwrite.c libpng-1.6.32/pngwrite.c
+--- libpng-1.6.32.org/pngwrite.c	2017-08-26 22:11:25.283792481 +0900
++++ libpng-1.6.32/pngwrite.c	2017-08-26 22:06:27.951679599 +0900
 @@ -128,6 +128,10 @@
         * the application continues writing the PNG.  So check the 'invalid'
         * flag here too.
@@ -1467,7 +1467,7 @@ diff -Naru libpng-1.6.31.org/pngwrite.c libpng-1.6.31/pngwrite.c
  #ifdef PNG_GAMMA_SUPPORTED
  #  ifdef PNG_WRITE_gAMA_SUPPORTED
        if ((info_ptr->colorspace.flags & PNG_COLORSPACE_INVALID) == 0 &&
-@@ -365,6 +369,11 @@
+@@ -370,6 +374,11 @@
        png_benign_error(png_ptr, "Wrote palette index exceeding num_palette");
  #endif
  
@@ -1479,7 +1479,7 @@ diff -Naru libpng-1.6.31.org/pngwrite.c libpng-1.6.31/pngwrite.c
     /* See if user wants us to write information chunks */
     if (info_ptr != NULL)
     {
-@@ -1450,6 +1459,43 @@
+@@ -1461,6 +1470,43 @@
  }
  #endif
  
@@ -1523,9 +1523,9 @@ diff -Naru libpng-1.6.31.org/pngwrite.c libpng-1.6.31/pngwrite.c
  
  #ifdef PNG_SIMPLIFIED_WRITE_SUPPORTED
  /* Initialize the write structure - general purpose utility. */
-diff -Naru libpng-1.6.31.org/pngwutil.c libpng-1.6.31/pngwutil.c
---- libpng-1.6.31.org/pngwutil.c	2017-07-29 10:08:06.213574438 +0900
-+++ libpng-1.6.31/pngwutil.c	2017-07-29 10:50:19.597317991 +0900
+diff -Naru libpng-1.6.32.org/pngwutil.c libpng-1.6.32/pngwutil.c
+--- libpng-1.6.32.org/pngwutil.c	2017-08-26 22:11:25.283792481 +0900
++++ libpng-1.6.32/pngwutil.c	2017-08-26 22:06:27.952679683 +0900
 @@ -822,6 +822,11 @@
     /* Write the chunk */
     png_write_complete_chunk(png_ptr, png_IHDR, buf, (png_size_t)13);
@@ -1576,7 +1576,7 @@ diff -Naru libpng-1.6.31.org/pngwutil.c libpng-1.6.31/pngwutil.c
           png_ptr->zstream.avail_out = 0;
           png_ptr->zstream.next_out = NULL;
           png_ptr->mode |= PNG_HAVE_IDAT | PNG_AFTER_IDAT;
-@@ -1896,6 +1920,82 @@
+@@ -1887,6 +1911,82 @@
  }
  #endif
  
@@ -1659,7 +1659,7 @@ diff -Naru libpng-1.6.31.org/pngwutil.c libpng-1.6.31/pngwutil.c
  /* Initializes the row writing capability of libpng */
  void /* PRIVATE */
  png_write_start_row(png_structrp png_ptr)
-@@ -2790,4 +2890,39 @@
+@@ -2781,4 +2881,39 @@
     }
  #endif /* WRITE_FLUSH */
  }
@@ -1699,30 +1699,30 @@ diff -Naru libpng-1.6.31.org/pngwutil.c libpng-1.6.31/pngwutil.c
 +}
 +#endif /* PNG_WRITE_APNG_SUPPORTED */
  #endif /* WRITE */
-diff -Naru libpng-1.6.31.org/scripts/symbols.def libpng-1.6.31/scripts/symbols.def
---- libpng-1.6.31.org/scripts/symbols.def	2017-07-29 10:08:06.215574607 +0900
-+++ libpng-1.6.31/scripts/symbols.def	2017-07-29 10:50:19.584316891 +0900
-@@ -252,3 +252,23 @@
-  png_image_write_to_memory @245
-  png_get_eXIf @246
+diff -Naru libpng-1.6.32.org/scripts/symbols.def libpng-1.6.32/scripts/symbols.def
+--- libpng-1.6.32.org/scripts/symbols.def	2017-08-26 22:11:25.289792987 +0900
++++ libpng-1.6.32/scripts/symbols.def	2017-08-26 22:06:27.962680528 +0900
+@@ -254,3 +254,23 @@
   png_set_eXIf @247
-+ png_get_acTL @248
-+ png_set_acTL @249
-+ png_get_num_frames @250
-+ png_get_num_plays @251
-+ png_get_next_frame_fcTL @252
-+ png_set_next_frame_fcTL @253
-+ png_get_next_frame_width @254
-+ png_get_next_frame_height @255
-+ png_get_next_frame_x_offset @256
-+ png_get_next_frame_y_offset @257
-+ png_get_next_frame_delay_num @258
-+ png_get_next_frame_delay_den @259
-+ png_get_next_frame_dispose_op @260
-+ png_get_next_frame_blend_op @261
-+ png_get_first_frame_is_hidden @262
-+ png_set_first_frame_is_hidden @263
-+ png_read_frame_head @264
-+ png_set_progressive_frame_fn @265
-+ png_write_frame_head @266
-+ png_write_frame_tail @267
+  png_get_eXIf_1 @248
+  png_set_eXIf_1 @249
++ png_get_acTL @250
++ png_set_acTL @251
++ png_get_num_frames @252
++ png_get_num_plays @253
++ png_get_next_frame_fcTL @254
++ png_set_next_frame_fcTL @255
++ png_get_next_frame_width @256
++ png_get_next_frame_height @257
++ png_get_next_frame_x_offset @258
++ png_get_next_frame_y_offset @259
++ png_get_next_frame_delay_num @260
++ png_get_next_frame_delay_den @261
++ png_get_next_frame_dispose_op @262
++ png_get_next_frame_blend_op @263
++ png_get_first_frame_is_hidden @264
++ png_set_first_frame_is_hidden @265
++ png_read_frame_head @266
++ png_set_progressive_frame_fn @267
++ png_write_frame_head @268
++ png_write_frame_tail @269
diff --git a/libpng.spec b/libpng.spec
index e9c290f..fd0d124 100644
--- a/libpng.spec
+++ b/libpng.spec
@@ -1,6 +1,6 @@
 %define apiver %(echo %version | cut -d. -f1-2 | tr -d .)
 Name:          libpng
-Version:       1.6.31
+Version:       1.6.32
 Release:       1mamba
 Summary:       A library of functions for manipulating PNG image format files
 Group:         System/Libraries
@@ -126,6 +126,9 @@ ln -s libpng%{apiver}.so %{buildroot}%{_prefix}/lib/libpng.so
 %endif
 
 %changelog
+* Thu Aug 31 2017 Automatic Build System <autodist@mambasoft.it> 1.6.32-1mamba
+- automatic version update by autodist
+
 * Mon Aug 07 2017 Automatic Build System <autodist@mambasoft.it> 1.6.31-1mamba
 - automatic version update by autodist