$OpenBSD: patch-src_image_tim_png_cpp,v 1.3 2012/04/15 08:49:05 kirby Exp $
--- src/image/tim_png.cpp.orig	Sat Sep 10 22:36:28 2011
+++ src/image/tim_png.cpp	Sat Sep 10 22:37:51 2011
@@ -24,6 +24,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, 
  */
 #include <stdio.h>
 #include <string.h>
+#include <zlib.h>
 #include "tim.h"
 #include "png.h"
 
