Fix Missing CALL-ID When Logging Through Syslog

The CALL-ID (ie [C-00000074]) is missing when logging to syslog.  This was just
an oversight when this feature was added.

* Add CALL-IDs when using syslog

(closes issue ASTERISK-21430)
Reported by: Nikola Ciprich
Tested by: Nikola Ciprich, Michael L. Young
Patches:
    asterisk-21430-syslog-callid_trunk.diff by Michael L. Young (license 5026)

Review: https://reviewboard.asterisk.org/r/2526/


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@388605 65c4cc65-6c06-0410-ace0-fbb531ad65f3