DEBUG: Preventing chown_debug_file if journald on
There is function chown_debug_file() which didn't check
if the SSSD is compiled with journald support.
This patch add simple checking of this state.
Resolves:
https://fedorahosted.org/sssd/ticket/2493
Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>
(cherry picked from commit 152fed23797c8950ca18cf6dc2bddb61a3f615c8)