[dovecot/core] a77d7c: lib: Fix to previous istream-timeout commit

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: a77d7cc71b6a1d66fa33516582890c2256516c26
      https://github.com/dovecot/core/commit/a77d7cc71b6a1d66fa33516582890c2256516c26
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2016-04-22 (Fri, 22 Apr 2016)

  Changed paths:
    M src/lib/istream-timeout.c

  Log Message:
  -----------
  lib: Fix to previous istream-timeout commit

The one commit I didn't bother putting through all the automated testing
stages and I of course forgot to even compile after the last change :(