This patch solves 2 things mentioned in ticket 1463.
a) If the same server is in both primary and secondary server list, we
must only add it to the primary list.
b) SRV resolution for backup servers should not be permitted. It now
prints error message if the sssd.conf
is configured that way.
https://fedorahosted.org/sssd/ticket/1463
The patch is attached.
Thanks
Michal