virtlo(g|ck)d: Fix exec-restart

Commit 94e45d10 broke exec-restart of virtlogd and virtlockd as the
code waiting for the daemon shutdown closed the daemons before
exec-restarting.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1912243


Fixes: 94e45d10
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>