--- a/src/train_gui.cpp	Wed Dec 19 19:44:29 2007 +0000
+++ b/src/train_gui.cpp	Wed Dec 19 20:45:46 2007 +0000
@@ -10,6 +10,7 @@
 #include "table/strings.h"
 #include "strings.h"
 #include "gui.h"
+#include "window_gui.h"
 #include "vehicle.h"
 #include "viewport.h"
 #include "command.h"