[mutter] (6 commits) Non-fast-forward update to branch wip/carlosg/libmutter-dep-sources

[Robert Mader <rmader src gnome org>]

The branch 'wip/carlosg/libmutter-dep-sources' 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:

  f1b8639... build: Build libmutter using sources as positional argument
  304a3ed... build: Do not provide built sources as libmutter_dep source

Commits added to the branch:

  6664044... clutter: Do not use stack-allocated ClutterEvents (*)
  16139ef... backends: Do not use stack-allocated ClutterEvents (*)
  86fa8af... core: Do not update last device on CLUTTER_DEVICE_ADDED/REM (*)
  089be8b... backends: Ensure to clear the last updated device on device (*)
  4dbf2de... build: Build libmutter using sources as positional argument
  4e9a2e4... build: Do not provide built sources as libmutter_dep source

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