[libadwaita] (2 commits) Non-fast-forward update to branch wip/exalm/outline

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/outline' 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:

  1b68a2d... shadow-helper: Correctly allocate outline node

Commits added to the branch:

  aae15a8... about-window: Stop using expressions (*)
  161249f... shadow-helper: Correctly allocate outline node

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