gentoo-overlay/games-sports/xmoto/files/0.5.7-libpng.patch

diff --git a/xmoto-0.5.7.old/src/image/tim_png.cpp b/xmoto-0.5.7/src/image/tim_png.cpp
index 75fd545..e4073dc 100644
--- a/xmoto-0.5.7.old/src/image/tim_png.cpp
+++ b/xmoto-0.5.7/src/image/tim_png.cpp
@@ -26,6 +26,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #include <string.h>
 #include "tim.h"
 #include "png.h"
+#include "zlib.h"
 
 /*==============================================================================
 Types