[gdm] (2 commits) Non-fast-forward update to branch benzea/fix-multiple-greeter-sessions

[Benjamin Berg <bberg src gnome org>]

The branch 'benzea/fix-multiple-greeter-sessions' 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:

  2090685... Update Ukrainian translation
  64174f3... manager: Try looking up session based on PID first
  f001a6a... session: Always use separate session bus for greeter sessio

Commits added to the branch:

  935397c... manager: Try looking up session based on PID first
  c1b863a... session: Always use separate session bus for greeter sessio