--- a/aircraft_gui.c	Sat Feb 05 15:49:57 2005 +0000
+++ b/aircraft_gui.c	Sat Feb 05 15:58:59 2005 +0000
@@ -1,5 +1,6 @@
 #include "stdafx.h"
 #include "ttd.h"
+#include "debug.h"
 #include "table/strings.h"
 #include "map.h"
 #include "tile.h"