- add /usr/xobj to the file hierarchy

"why not" mblamer@, ok krw@ todd@

src/etc/mtree/4.4BSD.dist

@@ -1,4 +1,4 @@
-#	$OpenBSD: 4.4BSD.dist,v 1.184 2007/01/01 21:30:46 aanriot Exp $
+#	$OpenBSD: 4.4BSD.dist,v 1.185 2007/04/23 08:51:30 ajacoutot Exp $
 
 /set type=dir uname=root gname=wheel mode=0755
 # .
@@ -2462,6 +2462,11 @@ US               gname=bin uname=root mode=0555
 # ./usr/src
 #..
 
+# ./usr/xobj
+xobj		gname=wsrc mode=0775
+# ./usr/xobj
+..
+
 # ./usr
 ..