Fix build with freetype 2.5.1.
https://bugzilla.gnome.org/show_bug.cgi?id=719592
--- libgnomeprint/gnome-font-face.c.orig	2010-02-09 06:32:51.000000000 -0600
+++ libgnomeprint/gnome-font-face.c	2013-11-30 04:10:52.000000000 -0600
@@ -36,7 +36,8 @@
 #include <stdarg.h>
 #include <locale.h>
 
-#include <freetype/ftoutln.h>
+#include <ft2build.h>
+#include FT_OUTLINE_H
 
 #include <libgnomeprint/gnome-print-private.h>
 #include <libgnomeprint/gnome-font-private.h>
--- libgnomeprint/gnome-print-gdi.c.orig	2010-02-09 06:32:51.000000000 -0600
+++ libgnomeprint/gnome-print-gdi.c	2013-11-30 04:10:07.000000000 -0600
@@ -36,7 +36,7 @@
 #include <libgnomeprint/gp-gc-private.h>
 
 #include <ft2build.h>
-#include <freetype/freetype.h>
+#include FT_FREETYPE_H
 
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
--- libgnomeprint/gnome-rfont.c.orig	2010-02-09 06:32:51.000000000 -0600
+++ libgnomeprint/gnome-rfont.c	2013-11-30 04:09:50.000000000 -0600
@@ -28,8 +28,8 @@
 
 #include <ft2build.h>
 #include FT_FREETYPE_H
-#include <freetype/ftglyph.h>
-#include <freetype/ftbbox.h>
+#include FT_GLYPH_H
+#include FT_BBOX_H
 #include <libart_lgpl/art_misc.h>
 #include <libart_lgpl/art_affine.h>
 #include <libart_lgpl/art_vpath.h>