third_party/libpng: update to 1.2.54

third_party/libpng/pngconf.h

 
 /* pngconf.h - machine configurable file for libpng
  *
- * libpng version 1.2.52 - November 20, 2014
- * Copyright (c) 1998-2013 Glenn Randers-Pehrson
+ * libpng version 1.2.54, November 12, 2015
+ *
+ * Copyright (c) 1998-2015 Glenn Randers-Pehrson
  * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
  * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
  *
  * This code is released under the libpng license.
  * For conditions of distribution and use, see the disclaimer
  * and license in png.h
- */
-
-/* Any machine specific code is near the front of this file, so if you
+ *
+ * Any machine specific code is near the front of this file, so if you
  * are configuring libpng for a machine, you may want to read the section
  * starting here down to where it starts to typedef png_color, png_text,
  * and png_info.
  */
 
 #ifndef PNGCONF_H
 #define PNGCONF_H
 
 #define PNG_1_2_X
 
@@ skipping 853 matching lines @@
 
 /* Added at libpng-1.2.43.  To accept all valid PNGs no matter
  * how large, set these two limits to 0.
  */
 #ifndef PNG_USER_CHUNK_CACHE_MAX
 #  define PNG_USER_CHUNK_CACHE_MAX 32765
 #endif
 
 /* Added at libpng-1.2.43 */
 #ifndef PNG_USER_CHUNK_MALLOC_MAX
-#  define PNG_USER_CHUNK_MALLOC_MAX 0
+#  define PNG_USER_CHUNK_MALLOC_MAX 8000000
 #endif
 
 #ifndef PNG_LITERAL_SHARP
 #  define PNG_LITERAL_SHARP 0x23
 #endif
 #ifndef PNG_LITERAL_LEFT_SQUARE_BRACKET
 #  define PNG_LITERAL_LEFT_SQUARE_BRACKET 0x5b
 #endif
 #ifndef PNG_LITERAL_RIGHT_SQUARE_BRACKET
 #  define PNG_LITERAL_RIGHT_SQUARE_BRACKET 0x5d
@@ skipping 769 matching lines @@
  */
 #if (PNG_ZBUF_SIZE > 65536L) && defined(PNG_MAX_MALLOC_64K)
 #  undef PNG_ZBUF_SIZE
 #  define PNG_ZBUF_SIZE 65536L
 #endif
 
 /* Added at libpng-1.2.8 */
 #endif /* PNG_VERSION_INFO_ONLY */
 
 #endif /* PNGCONF_H */