Log Message:
Update cyrus-imapd24 to 2.4.11.

Changes to the Cyrus IMAP Server since 2.4.10

      * fixed replication recovery from different messages at the each end
      * Bug #3489 - fixed quotalegacy handling of prefixes so only exact
        subfolders match
      * Bug #3498 - fixed deletion of users quota files with
        unixheriarchysep enabled, thanks Leena Heino
      * Bug #3491 - NOOP and UNAUTHENTICATE for timsieved, thanks Dilyan
        Palauzov
      * Bug #3492 - better response codes for timsieved, thanks Dilyan
        Palauzov
      * Bug #3497 - fix cmd syslog from master, thanks Kristof Katus
      * Bug #3503 - compilation of perl libraries on dragonfly and freebsd,
        thanks OBATA Akio
      * Bug #3451 - allow CC to have spaces
      * Bug #3505 - fix sync_reset, thanks David Carter
      * Bug #3506 - use literal+ for sync_(client|server), thanks David
        Carter
      * Bug #3300 - use portable function for TCP constants, thanks OBATA
        Akio
      * Bug #3507 - fix replication recovery with non-delayed expunge,
        thanks Julien Coloos
      * Bug #3495 - improved duplicate suppression, thanks Kristof Katus
      * Bug #2772/3463 - fixed crashes in THREAD by correcting folding of
        references headers
      * Bug #3439 - fix ugly syslog message for vacation
      * Bug #3499 - options to disable namespaces to reduce load on big
        servers with no shared folders. Thanks Olivier ROLAND
      * Changed skiplist to truncate old files after checkpoint, which can
        save disk space on tmpfs or small ssds when old copies were held
        open by other processes
      * Made Cyrus more robust against corruption in mailboxes.db data, so
        it will return an error rather than crashing on invalid entries
      * Fix for CVE-2011-3208, a remotely exploitable buffer overflow in
        nntpd - thanks Coverity