[dovecot/core] 27ccbb: dsync: Fix syncing attributes with large values.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 27ccbb0f36e07141785db94557afb63a2aa9eeba
      https://github.com/dovecot/core/commit/27ccbb0f36e07141785db94557afb63a2aa9eeba
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2017-02-26 (Sun, 26 Feb 2017)

  Changed paths:
    M src/doveadm/dsync/dsync-ibc-stream.c

  Log Message:
  -----------
  dsync: Fix syncing attributes with large values.

This mainly meant that large Sieve scripts weren't synced properly, because
their last_change field was never deserialized, so it was set to 0.