wayland/data-device: Small style fixes

https://gitlab.gnome.org/GNOME/mutter/merge_requests/1031

(cherry picked from commit 15b46a6f882e910913d56c118b036309f1ce81ec,
to keep future backports easy)
This commit is contained in:
Robert Mader 2020-01-29 00:11:18 +01:00
parent 12152c7edb
commit 208fd1b083