Our documentation is out of date and was unable to reference our build system paths except in smb.conf parameters. It suggested that /tmp/.winbindd was the location of the winbindd pipe, which is not often the case any more. This fixes that.
This bug was referenced in samba master: f3de9f6c2e004caab3c410b70c9a7424d5dc8627 45094bd891318f650ac5f0a1bb88e9cbb08729fd