(svn r13086) -Fix: do not crash badly after loading a newgrf with engines in-game that often

src/openttd.cpp

@@ -2538,6 +2538,7 @@ void ReloadNewGRFData()
 	ResetVehiclePosHash();
 	AfterLoadVehicles(false);
 	StartupEngines();
+	SetCachedEngineCounts();
 	/* update station and waypoint graphics */
 	AfterLoadWaypoints();
 	AfterLoadStations();