[gdm] Non-fast-forward update to branch wip/benzea/user-switching-logind-tty

[Benjamin Berg <bberg src gnome org>]

The branch 'wip/benzea/user-switching-logind-tty' 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:

  b035cf2... gdm-session-worker: Assume login_vt is on GDM_INITIAL_VT

Commits added to the branch:

  40b46c0... gdm-session-worker: Drop login_vt assuming it is GDM_INITIA