(svn r19964) -Add: Show an error message when trying to start a crashed or destroyed vehicle.

src/vehicle_cmd.cpp

@@ -80,6 +80,8 @@ CommandCost CmdStartStopVehicle(TileIndex tile, DoCommandFlag flags, uint32 p1,
 	CommandCost ret = CheckOwnership(v->owner);
 	if (ret.Failed()) return ret;
 
+	if (v->vehstatus & VS_CRASHED) return_cmd_error(STR_ERROR_VEHICLE_IS_DESTROYED);
+
 	switch (v->type) {
 		case VEH_TRAIN:
 			if ((v->vehstatus & VS_STOPPED) && Train::From(v)->acc_cache.cached_power == 0) return_cmd_error(STR_ERROR_TRAIN_START_NO_CATENARY);