[dovecot/core] 43a6cd: doveadm dump: Fix imapzlib to handle input traffic

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 43a6cdb3561dcfc5950542ce62509a7747a977ae
      https://github.com/dovecot/core/commit/43a6cdb3561dcfc5950542ce62509a7747a977ae
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2018-01-08 (Mon, 08 Jan 2018)

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

  Log Message:
  -----------
  doveadm dump: Fix imapzlib to handle input traffic

This has been broken with newer Dovecot versions for a while now.