Store GSSAPI session key in /var/run/ipa
Runtime data should be stored in /var/run instead of /etc/httpd/alias.
This change is also compatible with selinux policy.
https://pagure.io/freeipa/issue/6880
Reviewed-By: Tomas Krizek <tkrizek@redhat.com>
Reviewed-By: Jan Cholasta <jcholast@redhat.com>