batman-adv: fix gateway client style issues
batman-adv: fix gateway client style issues

commit 0511575c4d03 ("batman-adv: remove obsolete deleted attribute for
gateway node") incorrectly added an empy line and forgot to remove an
include.

Signed-off-by: Simon Wunderlich <8d4c780fcfdc41841e5070f4c43da8958ba6aec0@simonwunderlich.de>
Signed-off-by: Marek Lindner <5760fd64db566c47bfb7ce809fea1d3e512880cf@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a08f08bac39aeae6c9580ade7aa8387b5a0e7428@meshcoding.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs