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>
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 2f50e4c..9f3a884 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -23,6 +23,7 @@
 #include <linux/vmalloc.h>
 #include <net/netlink.h>
 #include <net/pkt_sched.h>
+#include <net/pkt_cls.h>
 #include <net/codel.h>
 #include <net/codel_impl.h>
 #include <net/codel_qdisc.h>