By default syslog-ng installs a .service that requires a config file at
/etc/default, so provide one with the default values.
It's also necessary to enable the service by means of a symlink created
at /etc/systemd/system/multi-user.target.wants.
Signed-off-by: Carlos Santos <casantos@datacom.com.br>
Reviewed-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
