--- a/src/newgrf_sound.h	Mon Apr 21 09:27:47 2008 +0000
+++ b/src/newgrf_sound.h	Mon Apr 21 11:29:01 2008 +0000
@@ -26,6 +26,6 @@
 FileEntry *GetSound(uint index);
 uint GetNumSounds();
 bool PlayVehicleSound(const Vehicle *v, VehicleSoundEvent event);
-bool PlayHouseSound(uint16 sound_id, TileIndex tile);
+bool PlayTileSound(const struct GRFFile *file, uint16 sound_id, TileIndex tile);
 
 #endif /* NEWGRF_SOUND_H */