bpf0 can be created by MAKEDEV; ok krw

src/etc/etc.alpha/MAKEDEV.md

@@ -1,6 +1,6 @@
 define(MACHINE,alpha)dnl
 vers(__file__,
-	{-$OpenBSD: MAKEDEV.md,v 1.41 2009/02/06 21:17:14 grange Exp $-},
+	{-$OpenBSD: MAKEDEV.md,v 1.42 2009/04/17 15:52:04 deraadt Exp $-},
 etc.MACHINE)dnl
 dnl
 dnl Copyright (c) 2001-2006 Todd T. Fries <todd@OpenBSD.org>
@@ -88,7 +88,7 @@ dnl
 divert(__mddivert)dnl
 dnl
 ramdisk)
-	_recurse std fd0 wd0 wd1 wd2 sd0 sd1 sd2
+	_recurse std fd0 wd0 wd1 wd2 sd0 sd1 sd2 bpf0
 	_recurse st0 cd0 ttyC0 rd0 bio
 	;;