nft: arp: add parse_target to nft_family_ops_arp

This patch adds parse_target for arp family, fixing segfaults
for xtables-arp -L after rules like:

	xtables-arp -A OUTPUT -o eth0 -j CLASSIFY --set-class 0:7
	xtables-arp -A OUTPUT -o eth1 --h-length 6 \
		-j mangle --mangle-mac-s 01:00:5e:00:01:01

Signed-off-by: Giuseppe Longo <giuseppelng@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
1 file changed