[Svn] [roundcube/roundcubemail] a34a20: Fix session issue on long running requests (#6470)

[GitHub]

  Branch: refs/heads/release-1.3
  Home:   https://github.com/roundcube/roundcubemail
  Commit: a34a206b60555d7e8dd9318f67609d031fe2167b
      https://github.com/roundcube/roundcubemail/commit/a34a206b60555d7e8dd9318f67609d031fe2167b
  Author: Aleksander Machniak <alec at alec.pl>
  Date:   2018-10-06 (Sat, 06 Oct 2018)

  Changed paths:
    M CHANGELOG
    M program/lib/Roundcube/rcube_session.php

  Log Message:
  -----------
  Fix session issue on long running requests (#6470)



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