Fix from Frank Varnavas <varnavas@ny.ubs.com>.

Fix from Frank Varnavas <varnavas@ny.ubs.com>.
We cannot use the same name as the client to
the NT password server, as NT will drop client
connections if the same client name connects
twice. Instead, synthesize a name from our pid.
and the remote machine name.
Jeremy (jallison@whistle.com)
(This used to be commit ebf9487a9a68c4d786449490627ee919622e6dbf)