appDisplay: Indent with spaces rather than tabs

Another style nit that sneaked in with commit eaa32090b9.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/640
This commit is contained in:
Florian Müllner 2019-07-23 19:58:05 +02:00
parent 0ecf135a4b
commit a455860978