Mark syslog-ng310, syslog-ng311, syslog-ng312, and syslog-ng313
deprecated and expired at the end of 2019, as they are no longer
officially supported by Balabit. syslog-ng39 will remain as it,
along with syslog-ng314, are reported to be the most stable and
most popular versions of syslog-ng.

Discussed with: Peter Czanik (CzP) <peter.czanik@balabit.com>
Reviewed by: Peter Czanik (CzP) <peter.czanik@balabit.com>

		Balabit / syslog-ng upstream