clientgen and cwd

[Andrew Tridgell]

Luke wrote:
> OH YEHHHHHH!  ok, next stage is to divide the functions out from client.c
> into clientgen.c so o have do_getcwd and cli_getcwd.  this makes client.c
> a little smaller and clientgen.c gets a bit unwieldy instead.  in
> BRANCH_NTDOM this prompted me to split clientgen.c down into about four
> modules: setup, print, ipc and file.

do we want clientgen.c to know about the current working directory?
SMB has no such concept and thus far clientgen is a SMB access
library, not a general filesystem library. That makes it quite clean
(at least in principle).