--- a/callback_table.c	Wed Dec 14 19:21:56 2005 +0000
+++ b/callback_table.c	Wed Dec 14 20:45:12 2005 +0000
@@ -2,6 +2,7 @@
 
 #include "stdafx.h"
 #include "openttd.h"
+#include "callback_table.h"
 #include "functions.h"
 
 // If you add a callback for DoCommandP, also add the callback in here