--- src/engine/video/image.cpp.orig	2010-05-17 01:38:27.000000000 +0200
+++ src/engine/video/image.cpp	2012-05-03 05:56:08.000000000 +0200
@@ -17,6 +17,7 @@
 #include <math.h>
 
 #include "video.h"
+#include "pngpriv.h"
 
 using namespace std;
 using namespace hoa_utils;