netfilter: nf_tables: add missing netlink attrs to policies

commit 467697d289e7e6e1b15910d99096c0da08c56d5b upstream.

Fixes: 8aeff920 ("netfilter: nf_tables: add stateful object reference to set elements")
Fixes: f25ad2e9 ("netfilter: nf_tables: prepare for expressions associated to set elements")
Fixes: 1a94e38d ("netfilter: nf_tables: add NFTA_RULE_ID attribute")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>