Support log-file option from common.conf for all daemon.
* agent/gpg-agent.c: Include comopt.h. (main): Read log-file option from common.conf. (reread_configuration): Ditto. * dirmngr/dirmngr.c: Include comopt.h. (main): Read log-file option from common.conf. (reread_configuration): Ditto. * kbx/keyboxd.c: Include comopt.h. (main): Read log-file option from common.conf. (reread_configuration): Ditto. * scd/scdaemon.c: Include comopt.h. (main): Read log-file option from common.conf.
- Signed-off-by: Werner Koch <wk@gnupg.org>