[gtk] (4 commits) Non-fast-forward update to branch wip.win32.fixes

[Chun-wei Fan <fanchunwei src gnome org>]

The branch 'wip.win32.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:

  35ce4c4... demos/gtk-demo|widget-factory: Temporarily disable gui_app 
  59f28f0... media/gstreamer: Attempt to use GL for video for Windows
  3db5f76... clipboard-client.c: Include necessary headers for Windows

Commits added to the branch:

  4a96e79... Merge branch 'inspector-layouts' into 'master' (*)
  9561ffa... demos/gtk-demo|widget-factory: Temporarily disable gui_app 
  7c82729... media/gstreamer: Attempt to use GL for video for Windows
  5646013... clipboard-client.c: Include necessary headers for Windows

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