[gtk] (4 commits) Non-fast-forward update to branch matthiasc/for-master

[Matthias Clasen <matthiasc src gnome org>]

The branch 'matthiasc/for-master' 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:

  65dea92... spinbutton: Make buttons clickable
  8134b24... emojicompletion: Avoid a memory overrun
  41db1b6... spinbutton: Hide the buttons from accessibility
  abab109... actionmuxer: Make it possible to enumerate local actions

Commits added to the branch:

  4e04c39... emojicompletion: Avoid a memory overrun
  aa4c0bf... spinbutton: Hide the buttons from accessibility
  4bd2595... actionmuxer: Make it possible to enumerate local actions
  92585b7... Fix compiler warnings