- fix parse error when dpkg sends unexpected data

  - fix parse error when dpkg sends unexpected data
* fix missing SetExecClose() call when the status-fd is used
* debian/apt.cron.daily:
  - move unattended-upgrade before apt-get autoclean
* fix "purge" commandline argument, closes: #133421
  (thanks to Julien Danjou for the patch)
* cmdline/apt-get.cc:
  - do not change the auto-installed information if a package
    is reinstalled
* apt-pkg/acquire-item.cc:
  - fix crash in diff acquire code
* cmdline/apt-mark:
  - Fix chmoding after have renamed the extended-states file (LP: #140019)
    (thanks to Laurent Bigonville)
* apt-pkg/contrib/mmap.cc:
  - don't fail if msync() returns > 0