[dovecot/core] accba2: lmtp: Fixed using default port 24

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: accba2f170529d73097e098d0bb6c13b7b4d6abf
      https://github.com/dovecot/core/commit/accba2f170529d73097e098d0bb6c13b7b4d6abf
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2016-08-10 (Wed, 10 Aug 2016)

  Changed paths:
    M src/lmtp/commands.c

  Log Message:
  -----------
  lmtp: Fixed using default port 24

Broken by dfe53c824.