Prepare for managing larger addresses in the NFS client by widening the
nfs_client struct's cl_addr field.
Signed-off-by: NChuck Lever <chuck.lever@oracle.com>
Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net>

(Modified to work with the new parameters for nfs_alloc_client)
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>