(svn r3900) When clearing a bridge determine the bridge direction and tile offset once instead of all over the place; also use UpdateSignalsOnSegment() instead of SetSignalsOnBothDir(), because this is sufficient

/* $Id$ */

#ifndef MUSIC_EXTERNAL_H
#define MUSIC_EXTERNAL_H

#include "../hal.h"

extern const HalMusicDriver _extmidi_music_driver;

#endif