--- a/hal.h	Mon Dec 27 10:24:38 2004 +0000
+++ b/hal.h	Mon Dec 27 10:40:04 2004 +0000
@@ -71,6 +71,10 @@
 extern const HalMusicDriver _bemidi_music_driver;
 #endif
 
+#if defined(__OS2__)
+extern const HalMusicDriver _os2_music_driver;
+#endif
+
 extern const HalVideoDriver _dedicated_video_driver;
 
 enum DriverType {