net: sched: sch: add extack for init callback

This patch adds extack support for init callback to prepare per-qdisc
specific changes for extack.

Cc: David Ahern <dsahern@gmail.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 9fe6b42..93f04cf 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -167,7 +167,8 @@ teql_destroy(struct Qdisc *sch)
 	}
 }
 
-static int teql_qdisc_init(struct Qdisc *sch, struct nlattr *opt)
+static int teql_qdisc_init(struct Qdisc *sch, struct nlattr *opt,
+			   struct netlink_ext_ack *extack)
 {
 	struct net_device *dev = qdisc_dev(sch);
 	struct teql_master *m = (struct teql_master *)sch->ops;