Fix 35d2842d: Fix script handling of airport rotations

Adjust types/signature

src/script/api/script_airport.cpp

@@ -141,7 +141,7 @@ extern uint8 GetAirportNoiseLevelForDistance(const struct AirportSpec *as, uint
 
 	if (_settings_game.economy.station_noise_level) {
 		uint dist;
-		AirportGetNearestTown(as, DIR_N, tile, AirportTileTableIterator(as->table[0], tile), dist);
+		AirportGetNearestTown(as, as->rotation[0], tile, AirportTileTableIterator(as->table[0], tile), dist);
 		return GetAirportNoiseLevelForDistance(as, dist);
 	}
 
@@ -157,7 +157,7 @@ extern uint8 GetAirportNoiseLevelForDistance(const struct AirportSpec *as, uint
 	if (!as->IsWithinMapBounds(0, tile)) return INVALID_TOWN;
 
 	uint dist;
-	return AirportGetNearestTown(as, DIR_N, tile, AirportTileTableIterator(as->table[0], tile), dist)->index;
+	return AirportGetNearestTown(as, as->rotation[0], tile, AirportTileTableIterator(as->table[0], tile), dist)->index;
 }
 
 /* static */ SQInteger ScriptAirport::GetMaintenanceCostFactor(AirportType type)

src/station_cmd.cpp

@@ -2611,8 +2611,8 @@ Town *AirportGetNearestTown(const AirportSpec *as, Direction rotation, TileIndex
 
 	Town *nearest = nullptr;
 
-	int width = as->size_x;
-	int height = as->size_y;
+	auto width = as->size_x;
+	auto height = as->size_y;
 	if (rotation == DIR_E || rotation == DIR_W) std::swap(width, height);
 
 	uint perimeter_min_x = TileX(tile);
@@ -2648,7 +2648,7 @@ Town *AirportGetNearestTown(const AirportSpec *as, Direction rotation, TileIndex
  * @param[out] mindist Minimum distance to town
  * @return nearest town to airport
  */
-Town *AirportGetNearestTown(const Station *st, uint &mindist)
+static Town *AirportGetNearestTown(const Station *st, uint &mindist)
 {
 	return AirportGetNearestTown(st->airport.GetSpec(), st->airport.rotation, st->airport.tile, AirportTileIterator(st), mindist);
 }