[SSSD] [sssd PR#326][opened] IPA: check if IPA hostname is a FQDN

[amitkumar50]

   URL: https://github.com/SSSD/sssd/pull/326
Author: amitkumar50
 Title: #326: IPA: check if IPA hostname is a FQDN
Action: opened

PR body:
"""
Some users change the IPA hostname post-install which results in strange bugs. Code change
make sure that the ipa_hostname contains at least one domain component.

Resolves: https://pagure.io/SSSD/sssd/issue/1946
"""

To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/326/head:pr326
git checkout pr326