sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api

Creation is done in this file, move destruction to be at the same place.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched/sch_prio.c

@@ -20,7 +20,7 @@
 #include <linux/skbuff.h>
 #include <net/netlink.h>
 #include <net/pkt_sched.h>
-
+#include <net/pkt_cls.h>
 
 struct prio_sched_data {
 	int bands;