[SSSD] [sssd PR#933][synchronized] Unify the indentation to 4 spaces

[miztake]

   URL: https://github.com/SSSD/sssd/pull/933
Author: miztake
 Title: #933: Unify the indentation to 4 spaces
Action: synchronized

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/933/head:pr933
git checkout pr933