[SSSD] [sssd PR#938][opened] Don't use tabs for indentation

[miztake]

URL: https://github.com/SSSD/sssd/pull/938
Author: miztake
 Title: #938: Don't use tabs for indentation
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 tabs are used for indentation.
Remove tabs indentation.
"""

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/938/head:pr938
git checkout pr938