diff -r e3111a03f9c2 -r 0f704b9afd93 src/build_vehicle_gui.cpp
--- a/src/build_vehicle_gui.cpp	Tue May 27 10:27:30 2008 +0000
+++ b/src/build_vehicle_gui.cpp	Tue May 27 12:24:23 2008 +0000
@@ -29,6 +29,7 @@
 #include "widgets/dropdown_func.h"
 #include "string_func.h"
 #include "window_gui.h"
+#include "engine_gui.h"
 
 #include "table/sprites.h"
 #include "table/strings.h"