[libpng16]Revised png_check_IHDR() to use PNG_SIZE_MAX instead of

PNG_UINT_32_MAX in the test for potential overflow in PNG_ROWBYTES.
diff --git a/CHANGES b/CHANGES
index e6e9cf8..b4b3f9f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4785,7 +4785,9 @@
     libpng17/png.h and libpng17.a). Three new configure options and some
     rearrangement of Makefile.am allow creation of these links to be disabled.
 
-Version 1.6.9beta03 [January 1, 2014]
+Version 1.6.9beta03 [January 10, 2014]
+  Revised png_check_IHDR() to use PNG_SIZE_MAX instead of PNG_UINT_32_MAX
+    in the test for potential overflow in PNG_ROWBYTES.
 
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