net_sched: make tcf_hash_destroy() static

tcf_hash_destroy() used once. Make it static.

Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc include/net/act_api.h
Simple merge

diff --cc net/sched/act_api.c
Simple merge