frames/window-tracker: Trivial style cleanup

A space of indentation was missing.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2740>
This commit is contained in:
Georges Basile Stavracas Neto 2022-12-05 14:20:09 -03:00
parent 62ddea304a
commit b1e08f683d