Add rc.conf.local to mtree/special. From Dmitry Medvedev. ok deraadt@.

src/etc/mtree/special

@@ -1,4 +1,4 @@
-#	$OpenBSD: special,v 1.57 2004/02/10 23:45:10 henning Exp $
+#	$OpenBSD: special,v 1.58 2004/03/30 12:21:34 krw Exp $
 #	$NetBSD: special,v 1.4 1996/05/08 21:30:18 pk Exp $
 #	@(#)special	8.2 (Berkeley) 1/23/94
 #
@@ -63,6 +63,7 @@ pf.conf		type=file mode=0600 uname=root gname=wheel optional
 printcap	type=file mode=0644 uname=root gname=wheel
 rc		type=file mode=0644 uname=root gname=wheel
 rc.conf		type=file mode=0644 uname=root gname=wheel
+rc.conf.local	type=file mode=0644 uname=root gname=wheel optional
 rc.local	type=file mode=0644 uname=root gname=wheel
 rc.securelevel	type=file mode=0644 uname=root gname=wheel
 rc.shutdown	type=file mode=0644 uname=root gname=wheel