[gtk] (5 commits) Non-fast-forward update to branch wip/chergert/macos-gl-opaque-context

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/macos-gl-opaque-context' 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:

  ef3932b... imwayland: Be careful about cursor positions
  d905758... widget-factory: Make --version match about
  5782680... gtk-demo: Make --version match about
  4a3c408... macos: make OpenGL context opaque when possible

Commits added to the branch:

  3ee5354... imwayland: Be careful about cursor positions (*)
  4d0a1a9... widget-factory: Make --version match about (*)
  516776b... gtk-demo: Make --version match about (*)
  5797c72... Merge branch 'matthiasc/for-master' into 'master' (*)
  b2fd096... macos: make OpenGL context opaque when possible

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