syslog-ng depends on systemd?

[gt <static.vortex@xxxxxxx>]

Hi,

with the recent update of syslog-ng (3.3.6-2), systemd has been added as
a dependency. 

I though systemd providing its own logging and syslog-ng wasn't needed.
Then why is systemd needed for syslog-ng to run? As far i can see from
the diffs, nothing has changed apart from adding systemd as a
dependency.