[sssd PR#5239][synchronized] gpo: use correct base dn

[pbrezina]

URL: https://github.com/SSSD/sssd/pull/5239
Author: pbrezina
 Title: #5239: gpo: use correct base dn
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/5239/head:pr5239
git checkout pr5239