[libpng16] Updated "last changed" dates

pngpread.c

diff --git a/pngpread.c b/pngpread.c
index 16f40ec..df45a43 100644
--- a/pngpread.c
+++ b/pngpread.c
@@ -1,7 +1,7 @@
 
 /* pngpread.c - read a png file in push mode
  *
- * Last changed in libpng 1.5.7 [(PENDING RELEASE)]
+ * Last changed in libpng 1.6.0 [(PENDING RELEASE)]
  * Copyright (c) 1998-2011 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.)