[SSSD] [sssd PR#500][opened] SYSDB: Read the ldb_message from loop's index counter when reading subdomain UPNs

[jhrozek]

   URL: https://github.com/SSSD/sssd/pull/500
Author: jhrozek
 Title: #500: SYSDB: Read the ldb_message from loop's index counter when reading
subdomain UPNs
Action: opened

PR body:
"""
Related to: https://pagure.io/SSSD/sssd/issue/3431

There was a typo in code that read the UPN suffixes from the subdomain
ldb_message. As a result, the UPN suffixes from the first domain were
always consulted for all domains.
"""

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/500/head:pr500
git checkout pr500