(svn r22122) -Fix/change: when a NOT_REACHED in saveload can be reached due to an invalid savegame, use SlErrorCorrupt instead

src/saveload/vehicle_sl.cpp

@@ -326,7 +326,7 @@ void AfterLoadVehicles(bool part_of_load)
 					rv->subtype = 0;
 					rv->SetArticulatedPart();
 				} else {
-					NOT_REACHED();
+					SlErrorCorrupt("Invalid road vehicle subtype");
 				}
 			}
 		}