--- configure.in.orig	2009-03-28 09:50:18.764999182 +0000
+++ configure.in	2009-03-28 09:49:18.685947638 +0000
@@ -98,7 +98,7 @@
 AC_ARG_WITH(png,
         [  --with-png=yes/no       enables/disables PNG saving support],[
 	if test x$withval = xyes; then
-	  png=test
+	  png=yes
 	fi
 	if test x$withval = xno; then
 	  png=no