--- a/vehicle.h	Wed Dec 28 09:40:26 2005 +0000
+++ b/vehicle.h	Wed Dec 28 22:29:59 2005 +0000
@@ -271,6 +271,7 @@
 Vehicle *FindVehicleOnTileZ(TileIndex tile, byte z);
 
 void InitializeTrains(void);
+byte VehicleRandomBits(void);
 
 bool CanFillVehicle(Vehicle *v);
 bool CanRefitTo(EngineID engine_type, CargoID cid_to);