nft: family_ops: Pass nft_handle to 'print_rule' callback

Prepare for 'rule_to_cs' callback to receive nft_handle pointer so it is
able to access cache for set lookups.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
6 files changed