Description: <short summary of the patch>
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 .
 xbubble (0.5.11.2-3.2) unstable; urgency=low
 .
   * Non-maintainer upload.
   * Fixes FTBFS: loadpng.c ignoring return value of fread (Closes: #664910).
Author: Thomas Goirand <zigo@debian.org>
Bug-Debian: http://bugs.debian.org/664910

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--- xbubble-0.5.11.2.orig/src/loadpng.c
+++ xbubble-0.5.11.2/src/loadpng.c
@@ -80,7 +80,11 @@ unsigned char * load_png_file( const cha
     return NULL;
   }
   /* libpng does a longjmp here when it encounters an error */
+#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
+  if ( setjmp(png_jmpbuf(png_ptr)) ) {
+#else
   if ( setjmp( png_ptr->jmpbuf ) ) {
+#endif
     png_destroy_read_struct( &png_ptr, &info_ptr, NULL);
     fclose(fd);
     return NULL;
@@ -102,7 +106,11 @@ unsigned char * load_png_file( const cha
     png_set_gray_to_rgb(png_ptr);
 
   /* detect alpha layer */
+#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
+  if ((png_get_color_type(png_ptr, info_ptr) & PNG_COLOR_MASK_ALPHA) ||
+#else
   if (( info_ptr->color_type & PNG_COLOR_MASK_ALPHA )||
+#endif
       ( png_get_valid( png_ptr, info_ptr, PNG_INFO_tRNS )))
     *has_alpha = 1;
   else