NFS: Move declaration of nfs_mount() to fs/nfs/internal.h

Clean up:  The nfs_mount() function is not to be used outside of the
NFS client.  Move its public declaration to fs/nfs/internal.h.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index d212ee4..7a38cc7 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -63,6 +63,10 @@
 	struct security_mnt_opts lsm_opts;
 };
 
+/* mount_clnt.c */
+extern int nfs_mount(struct sockaddr *, size_t, char *, char *,
+					int, int, struct nfs_fh *);
+
 /* client.c */
 extern struct rpc_program nfs_program;