[libadwaita] (4 commits) Non-fast-forward update to branch wip/exalm/carousel-fix

[Adrien Plazas <aplazas src gnome org>]

The branch 'wip/exalm/carousel-fix' 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:

  804ec34... carousel: Fix crash with 2 overlapping animations

Commits added to the branch:

  caf7fb7... leaflet: avoid redundant condition (*)
  568dc05... avatar: avoid duplicate return (*)
  bf73a3e... tab: Remove unused struct members (*)
  afee036... carousel: Fix crash with 2 overlapping animations

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