[mutter] (2 commits) Non-fast-forward update to branch gbsneto/window-screencast-fixes

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'gbsneto/window-screencast-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:

  fcfa600... screen-cast-window-stream-src: Implement cursor blitting
  876639e... screen-cast-window-stream-src: Finish framebuffer after bli

Commits added to the branch:

  5593c61... window-stream-src: Implement cursor blitting
  480d139... window-stream-src: Finish framebuffer after blitting