Imported from libpng-0.97c.tar
diff --git a/pngwutil.c b/pngwutil.c
index b4575e4..fccd7b6 100644
--- a/pngwutil.c
+++ b/pngwutil.c
@@ -1,11 +1,12 @@
 
 /* pngwutil.c - utilities to write a PNG file
  *
- * libpng 1.00.97
+ * libpng 0.97
  * For conditions of distribution and use, see copyright notice in png.h
  * Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  * Copyright (c) 1996, 1997 Andreas Dilger
- * May 28, 1997
+ * Copyright (c) 1998, Glenn Randers-Pehrson
+ * January 7, 1998
  */
 
 #define PNG_INTERNAL