diff -pur unzip-5.51/unix/unix.c unzip-5.51-fix/unix/unix.c
--- unzip-5.51/unix/unix.c	2004-04-12 02:29:58.000000000 +0200
+++ unzip-5.51-fix/unix/unix.c	2005-04-18 08:54:06.000000000 +0200
@@ -1002,6 +1002,7 @@ void close_outfile(__G)    /* GRR: chang
     ush z_uidgid[2];
     int have_uidgid_flg;
 
+    fchmod(fileno(G.outfile), 0400);
     fclose(G.outfile);
 
 /*---------------------------------------------------------------------------
@@ -1049,10 +1050,13 @@ void close_outfile(__G)    /* GRR: chang
               "warning:  symbolic link (%s) failed\n",
               FnFilter1(G.filename)));
             free(slnk_entry);
-            fclose(G.outfile);
+	    if (G.outfile)
+	        fclose(G.outfile);
             return;
         }
-        fclose(G.outfile);                  /* close "link" file for good... */
+
+	if (G.outfile)
+            fclose(G.outfile);         /* close "link" file for good... */
         slnk_entry->target[ucsize] = '\0';
         if (QCOND2)
             Info(slide, 0, ((char *)slide, "-> %s ",