lxc_log_init() should be called in each main() of a command
to define the default log priority and log file.
Signed-off-by: Cedric Le Goater <legoater@free.fr>
Acked-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>