netfilter: nf_tables: nf_tables_obj_lookup_byhandle() can be static

Fixes: 3ecbfd65 ("netfilter: nf_tables: allocate handle and delete objects via handle")
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

net/netfilter/nf_tables_api.c

@@ -4328,7 +4328,7 @@ struct nft_object *nf_tables_obj_lookup(const struct nft_table *table,
 }
 EXPORT_SYMBOL_GPL(nf_tables_obj_lookup);
 
-struct nft_object *nf_tables_obj_lookup_byhandle(const struct nft_table *table,
+static struct nft_object *nf_tables_obj_lookup_byhandle(const struct nft_table *table,
 							const struct nlattr *nla,
 							u32 objtype, u8 genmask)
 {
@@ -4850,7 +4850,7 @@ struct nft_flowtable *nf_tables_flowtable_lookup(const struct nft_table *table,
 }
 EXPORT_SYMBOL_GPL(nf_tables_flowtable_lookup);
 
-struct nft_flowtable *
+static struct nft_flowtable *
 nf_tables_flowtable_lookup_byhandle(const struct nft_table *table,
 				    const struct nlattr *nla, u8 genmask)
 {