Fix the NFS servers so that they can do a Lookup of "..",

which requires that ni_strictrelative be set to 0, post-r224810.

Tested by:	swills (earlier version), geo dot liaskos at gmail.com
Approved by:	re (kib)

sys/fs/nfsserver/nfs_nfsdport.c

@@ -282,6 +282,7 @@ nfsvno_namei(struct nfsrv_descript *nd, struct nameidata *ndp,
 
 	*retdirp = NULL;
 	cnp->cn_nameptr = cnp->cn_pnbuf;
+	ndp->ni_strictrelative = 0;
 	/*
 	 * Extract and set starting directory.
 	 */

sys/nfsserver/nfs_serv.c

@@ -157,6 +157,7 @@ ndclear(struct nameidata *nd)
 	nd->ni_vp = NULL;
 	nd->ni_dvp = NULL;
 	nd->ni_startdir = NULL;
+	nd->ni_strictrelative = 0;
 }
 
 /*