Add '#define NFSCLIENT' into opt_nfs.h if the NFSCLIENT variable is 1 (the default is 1).
Add '#define NFSCLIENT' into opt_nfs.h if the NFSCLIENT variable is 1
(the default is 1).

This makes the nfslockd module works for NFS client.

Reviewed by:	dfr
MFC after:	3 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase