[dovecot/core] 9ef42e: login-proxy: cork+uncork in flush callbacks

[GitHub]

  Branch: refs/heads/master-2.2
  Home:   https://github.com/dovecot/core
  Commit: 9ef42e2e3085685f6eae5d5346e517fc47315ac5
      https://github.com/dovecot/core/commit/9ef42e2e3085685f6eae5d5346e517fc47315ac5
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2016-07-01 (Fri, 01 Jul 2016)

  Changed paths:
    M src/login-common/login-proxy.c

  Log Message:
  -----------
  login-proxy: cork+uncork in flush callbacks

Potentially reduces latency at the end of a larger data transfer.