--- a/src/terraform_gui.cpp	Wed May 07 09:07:19 2008 +0000
+++ b/src/terraform_gui.cpp	Wed May 07 13:10:15 2008 +0000
@@ -24,6 +24,7 @@
 #include "settings_type.h"
 #include "tree_map.h"
 #include "landscape_type.h"
+#include "tilehighlight_func.h"
 
 #include "table/sprites.h"
 #include "table/strings.h"