--- version.c.orig	Mon Sep 20 16:13:46 1999
+++ version.c	Mon Sep 20 16:14:07 1999
@@ -9,10 +9,10 @@
 #include "png.h"
 
 #ifndef PNGLIB
-#  define PNGLIB "pnglib (unknown version)"
+#  define PNGLIB "pnglib (as installed)"
 #endif
 #ifndef ZLIB
-#  define ZLIB "zlib (unknown version)"
+#  define ZLIB "zlib (as installed)"
 #endif
 
 const char version[]="gif2png 0.7,";
