[gnome-shell] (3 commits) Non-fast-forward update to branch wip/carlosg/magnifier-fixes

[Marge Bot <marge-bot src gnome org>]

The branch 'wip/carlosg/magnifier-fixes' 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:

  d5de113... magnifier: Unset variable holding GSource ID
  36e5da0... magnifier: Add method to enable/disable crosshairs
  13d6fac... magnifier: Remove needless actor

Commits added to the branch:

  a363f13... magnifier: Unset variable holding GSource ID
  3df4b5e... magnifier: Add method to enable/disable crosshairs
  c449058... magnifier: Remove needless actor