(svn r15799) -Codechange: Save rail type label list to savegame and perform mapping on load if necessary.

src/saveload/saveload_internal.h

@@ -21,6 +21,7 @@ void FixOldWaypoints();
 void AfterLoadWaypoints();
 void AfterLoadVehicles(bool part_of_load);
 void AfterLoadStations();
+void AfterLoadLabelMaps();
 void UpdateHousesAndTowns();
 
 void UpdateOldAircraft();