[dovecot/core] 3c1077: doveadm-server: Fix potential dsync-server panic a...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 3c1077b110ef7cfb5fe3bd2aa32b0ebd90dac02e
      https://github.com/dovecot/core/commit/3c1077b110ef7cfb5fe3bd2aa32b0ebd90dac02e
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2017-11-28 (Tue, 28 Nov 2017)

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

  Log Message:
  -----------
  doveadm-server: Fix potential dsync-server panic at deinit

If the ostream is still used (e.g. for logging) after dsync is finished, it
crashed with:

Panic: file ostream.c: line 276 (o_stream_sendv_int): assertion failed: (!_stream->finished)