bridge: refactor bridge mcast querier function

Make code more readable and consistent with other functions.

Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Fabian Pfitzner <f.pfitzner@pengutronix.de>
Signed-off-by: David Ahern <dsahern@kernel.org>
1 file changed