--- a/src/viewport.cpp	Wed May 07 09:07:19 2008 +0000
+++ b/src/viewport.cpp	Wed May 07 13:10:15 2008 +0000
@@ -46,6 +46,7 @@
 #include "core/alloc_type.hpp"
 #include "misc/smallvec.h"
 #include "window_func.h"
+#include "tilehighlight_func.h"
 
 #include "table/sprites.h"
 #include "table/strings.h"