change the behavior of the midi related device filename creation to follow

the same behavior as audio devices.
--
Brought to my attention by and reviewed by: fries@

src/etc/etc.i386/MAKEDEV

@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$OpenBSD: MAKEDEV,v 1.102 2001/07/03 22:52:30 niklas Exp $
+#	$OpenBSD: MAKEDEV,v 1.103 2001/09/21 18:21:12 brad Exp $
 #	$NetBSD: MAKEDEV,v 1.40 1996/03/31 00:50:47 perry Exp $
 #
 # Copyright (c) 1990 The Regents of the University of California.
@@ -198,7 +198,7 @@ all)
 	sh $this random ses0 uk0 uk1 ss0 ss1 pctr bktr0 tuner0 wdt0
 	sh $this fd0 fd0B fd0C fd0D fd0E fd0F fd0G fd0H 
 	sh $this fd1 fd1B fd1C fd1D fd1E fd1F fd1G fd1H
-	sh $this xfs0 music altq
+	sh $this xfs0 music0 altq
 	sh $this rmidi0 rmidi1 rmidi2 rmidi3 rmidi4 rmidi5 rmidi6 rmidi7
 	sh $this usbs crypto iop0 iop1
 # MISSING:
@@ -644,15 +644,16 @@ rmidi*)
 	;;
 
 music*)
-	[ "$unit" = "0" ] && n= || n=$unit
-	music=music$n
-	sequencer=sequencer$n
 	major=53
+	music=music$unit
+	sequencer=sequencer$unit
 	rm -f $music $sequencer
 	mknod $music     c $major $(( $unit + 0 ))
 	mknod $sequencer c $major $(( $unit + 128 ))
 	chown root.wheel $music $sequencer
 	chmod 666 $music $sequencer
+	[ -e music ] || ln -s $music music
+	[ -e sequencer ] || ln -s $sequencer sequencer
 	;;
 
 apm*)