[Samba] Allow user without uidNumber to access to a Samba member file server

[Rowland Penny]

> > And now with Windows 10 who don't allow to set rfc2307 easily with
> > ADUC it become very complicate to set uidNumber manually for each
> > user.
> > 

Are you reading this Andrew ??

I told you this with my patches to allow adding RFC2307 attributes with
samba-tool.

Rowland