[SSSD] [sssd PR#937][opened] Unify the indentation to 4 spaces

[miztake]

URL: https://github.com/SSSD/sssd/pull/937
Author: miztake
 Title: #937: Unify the indentation to 4 spaces
Action: opened

PR body:
"""
The Coding guidelines include the following:

https://docs.pagure.org/SSSD.sssd/developers/coding_style.html
    MUST: No tabs all indentation 4 spaces.

However, there are places where the indentation is not 4 spaces.
Unify not 4 spaces indentation to 4 spaces.
"""

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/937/head:pr937
git checkout pr937