 s6-svscan: treat s6-svscan-log as a logger for s6-svscanctl purposes
 s6-svscan: treat s6-svscan-log as a logger for s6-svscanctl purposes

Signed-off-by: Laurent Bercot <3aa9adbbb49a4d5ab9c798d5e366f54570870800@appnovation.com>

skarnet/s6,skarnet/s6