Commit f431bf7d78f3212d32bb3d122f783c5c796a1576 (netdev: Parse and make
available tunnel configuration.) added new method get_tunnel_config to
netdev_class but did not update netdev-bsd.
Signed-off-by: Ed Maste <emaste@freebsd.org> Signed-off-by: Ben Pfaff <blp@nicira.com>