Merge branch 'save_ext' into tracerestrict-sx

# Conflicts:
#	src/vehiclelist.cpp

src/vehicle.cpp

@@ -1280,7 +1280,7 @@ bool Vehicle::HandleBreakdown()
 			SetWindowDirty(WC_VEHICLE_VIEW, this->index);
 			SetWindowDirty(WC_VEHICLE_DETAILS, this->index);
 
-			/* FALL THROUGH */
+			FALLTHROUGH;
 		case 1:
 			/* Aircraft breakdowns end only when arriving at the airport */
 			if (this->type == VEH_AIRCRAFT) return false;