make /var/authpf owned and writable by group authpf

src/etc/mtree/4.4BSD.dist

@@ -1,4 +1,4 @@
-#	$OpenBSD: 4.4BSD.dist,v 1.127 2002/05/23 18:43:00 deraadt Exp $
+#	$OpenBSD: 4.4BSD.dist,v 1.128 2002/06/07 08:53:42 beck Exp $
 
 /set type=dir uname=root gname=wheel mode=0755
 # .
@@ -1832,7 +1832,7 @@ account
 ..
 
 # ./var/authpf
-authpf		uname=root mode=0700
+authpf		uname=root gname=authpf mode=0770
 # ./var/authpf
 ..