netfilter: nf_tables: rename struct nft_set_estimate class field

Use lookup as field name instead, to prepare the introduction of the
memory class in a follow up patch.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

4 files changed, 10 insertions, 10 deletions

diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h