[dovecot/core] 1c6d55: lmtp: Don't send double-DISCONNECT to anvil.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: 1c6d55fc292c099f0b4b20daf9208031d982e757
      https://github.com/dovecot/core/commit/1c6d55fc292c099f0b4b20daf9208031d982e757
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2016-07-11 (Mon, 11 Jul 2016)

  Changed paths:
    M src/lmtp/commands.c

  Log Message:
  -----------
  lmtp: Don't send double-DISCONNECT to anvil.

Happened with lmtp_user_concurrency_limit > 0. Fixes errors like:

Error: connect limit: disconnection for unknown pid 123 + ident lmtp/username