[patch] null pointer handling in auth_domain

[Andrew Bartlett]

Ihar Viarheichyk wrote:
> 
> Hello,
> 
> Here is a small patch which handes null pointer passing bug in auth_domain.
> This bug causes "INTERNAL ERROR: Signal 11" if guest user name is not
> present in system.

As far as I can tell, the cli is always already shutdown at this point. 
Tridge did some work on this recently.

I've initilaised the cli variable (make this easier to track in future)
and removed the cli_shutdown().

Once I get to test this I'll commit it.

Andrew Bartlett

-- 
Andrew Bartlett                                 abartlet at pcug.org.au
Manager, Authentication Subsystems, Samba Team  abartlet at samba.org
Student Network Administrator, Hawker College   abartlet at hawkerc.net
http://samba.org     http://build.samba.org     http://hawkerc.net