[gdm] (3 commits) Non-fast-forward update to branch wip/kill-user-session

[Ray Strode <halfline src gnome org>]

The branch 'wip/kill-user-session' 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:

  8f4c20d... session-worker: expose worker state enum to type system
  bac7c2c... session-worker: kill user sessions when stopping gdm servic
  7b9835a... session-worker: uninitialize pam if worker is killed

Commits added to the branch:

  007c3c6... session-worker: expose worker state enum to type system (*)
  c4f5942... session-worker: kill user sessions when stopping gdm servic (*)
  a15b4e3... session-worker: uninitialize pam if worker is killed (*)

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