NFSv4: Doh! Typo in the fix to nfs41_walk_client_list

Make sure that we set the status to 0 on success. Missed in testing
because it never appears when doing multiple mounts to _different_
servers.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: <stable@vger.kernel.org> # 3.7.x: 7b1f1fd1: NFSv4/4.1: Fix bugs in nfs4[01]_walk_client_list

fs/nfs/nfs4client.c

@@ -482,6 +482,7 @@ int nfs41_walk_client_list(struct nfs_client *new,
 
 		atomic_inc(&pos->cl_count);
 		*result = pos;
+		status = 0;
 		dprintk("NFS: <-- %s using nfs_client = %p ({%d})\n",
 			__func__, pos, atomic_read(&pos->cl_count));
 		break;