[SSSD] [sssd PR#509][comment] SPEC: Fix systemd executions/requirements

[jhrozek]

  URL: https://github.com/SSSD/sssd/pull/509
Title: #509: SPEC: Fix systemd executions/requirements

jhrozek commented:
"""
CI passed, ACK
"""

See the full comment at https://github.com/SSSD/sssd/pull/509#issuecomment-367748990