@@ -20,7 +20,7 @@ struct CYapfCostBase {
* @param td The track direction to check.
* @return True if there's a slope, otherwise false.
*/
FORCEINLINE static bool stSlopeCost(TileIndex tile, Trackdir td)
inline static bool stSlopeCost(TileIndex tile, Trackdir td)
{
if (IsDiagonalTrackdir(td)) {
if (IsBridgeTile(tile)) {