[libpng16] Updated copyright year in recently-changed files.
diff --git a/pngread.c b/pngread.c
index 85c8323..0c894f7 100644
--- a/pngread.c
+++ b/pngread.c
@@ -2,7 +2,7 @@
 /* pngread.c - read a PNG file
  *
  * Last changed in libpng 1.6.9 [(PENDING RELEASE)]
- * Copyright (c) 1998-2013 Glenn Randers-Pehrson
+ * Copyright (c) 1998-2014 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.)
  *