From 80b67e47e8ea5ea01d7ebb4a54aa86260d3e48b4 Mon Sep 17 00:00:00 2001
From: Glenn Randers-Pehrson <glennrp at users.sourceforge.net>
Date: Sat, 21 Jul 2012 12:56:46 -0500
Subject: [PATCH] [libpng16] Added default blank "#define PNG_RESTRICT" to
 pngconf.h

This has been missing since the feature was introduced in libpng-1.6.0beta04.
---
 pngconf.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pngconf.h b/pngconf.h
index 46e997aa3..3e785f6ec 100644
--- a/pngconf.h
+++ b/pngconf.h
@@ -435,6 +435,9 @@
 #ifndef PNG_PRIVATE
 #  define PNG_PRIVATE     /* This is a private libpng function */
 #endif
+#ifndef PNG_RESTRICT
+#  define PNG_RESTRICT    /* The C99 "restrict" feature */
+#endif
 #ifndef PNG_FP_EXPORT     /* A floating point API. */
 #  ifdef PNG_FLOATING_POINT_SUPPORTED
 #     define PNG_FP_EXPORT(ordinal, type, name, args)\