--- a/ai/trolly/trolly.c	Mon Apr 17 19:26:18 2006 +0000
+++ b/ai/trolly/trolly.c	Tue Apr 18 05:16:13 2006 +0000
@@ -34,6 +34,7 @@
 #include "../../engine.h"
 #include "../../gui.h"
 #include "../../depot.h"
+#include "../../vehicle.h"
 #include "../ai.h"
 
 // This function is called after StartUp. It is the init of an AI