[gdm] (6 commits) Non-fast-forward update to branch wip/rancell/g-auto

[Robert Ancell <rancell src gnome org>]

The branch 'wip/rancell/g-auto' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  b1b0e40... Use g_auto for variables

Commits added to the branch:

  d70d0ff... daemon: Remove unnecessary check for function that can't re (*)
  9583197... daemon: Fix double free of GError (*)
  547345e... daemon: Move root check before settings are loaded (*)
  f31292e... daemon: Tidy up main() failure cases (*)
  6792a1a... daemon: Remove obsolete module gdm-xerrors (*)
  46455ff... Use g_auto for variables

(*) This commit already existed in another branch; no separate mail sent