git: kernel/gif: Include just opt_inet6.h which is all this header needs.

[Sascha Wildner]

commit bfdae6fc605746b3ffaed216ca7f54722825601f
Author: Sascha Wildner <***@online.de>
Date: Sun Dec 9 12:34:57 2018 +0100

kernel/gif: Include just opt_inet6.h which is all this header needs.

Summary of changes:
sys/net/gif/if_gif.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/bfdae6fc605746b3ffaed216ca7f54722825601f