(svn r20105) -Revert (r20102) [FS#3938]: resetting DirectMusic completely, although working, causes a temporary freeze of OpenTTD. As MCI behaves better than DirectMusic that has become the default music driver; small delay between songs beats wrongly pitched/bad sounding songs

src/music/dmusic.cpp

@@ -165,8 +165,8 @@ void MusicDriver_DMusic::PlaySong(const char *filename)
 
 	/* release the existing segment if we have any */
 	if (segment != NULL) {
-		this->Stop();
-		if (this->Start(NULL) != NULL) return;
+		segment->Release();
+		segment = NULL;
 	}
 
 	/* make a new segment */