--- a/src/heightmap.cpp	Mon Mar 05 17:05:41 2007 +0000
+++ b/src/heightmap.cpp	Mon Mar 05 18:00:18 2007 +0000
@@ -32,7 +32,7 @@
 
 #ifdef WITH_PNG
 
-#include "png.h"
+#include <png.h>
 
 /**
  * The PNG Heightmap loader.