Codechange: use explicit TileIndex constructor for tile 0

src/aircraft_cmd.cpp

@@ -831,7 +831,7 @@ static uint8_t AircraftGetEntryPoint(const Aircraft *v, const AirportFTAClass *a
 	/* In the case the station doesn't exit anymore, set target tile 0.
 	 * It doesn't hurt much, aircraft will go to next order, nearest hangar
 	 * or it will simply crash in next tick */
-	TileIndex tile = 0;
+	TileIndex tile{};
 
 	const Station *st = Station::GetIfValid(v->targetairport);
 	if (st != nullptr) {
@@ -1305,7 +1305,7 @@ TileIndex Aircraft::GetOrderStationLocation(StationID)
 	}
 
 	/* Aircraft do not use dest-tile */
-	return 0;
+	return TileIndex{};
 }
 
 void Aircraft::MarkDirty()