Add /var/db/sysmerge

ok deraadt@

src/etc/mtree/4.4BSD.dist

@@ -1,4 +1,4 @@
-#	$OpenBSD: 4.4BSD.dist,v 1.196 2009/03/16 21:49:38 jacekm Exp $
+#	$OpenBSD: 4.4BSD.dist,v 1.197 2009/05/12 07:22:58 ajacoutot Exp $
 
 /set type=dir uname=root gname=wheel mode=0755
 # .
@@ -2585,6 +2585,11 @@ pkg
 # ./var/db/pkg
 ..
 
+# ./var/db/sysmerge
+sysmerge
+# ./var/db/sysmerge
+..
+
 # ./var/db
 ..