NFSv4.1: Replace usage of nfs_client->cl_addr in encode_create_session
NFSv4.1: Replace usage of nfs_client->cl_addr in encode_create_session

Replace the current code with something that is a little closer to what
net/sunrpc/auth_unix.c uses.

Signed-off-by: Trond Myklebust <cc958843532c615cbd4920e868f78c7985331a5a@primarydata.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs