netfilter: nf_tables: typo in trace attribute definition

Should be attributes, instead of attibutes, for consistency with other
definitions.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

include/uapi/linux/netfilter/nf_tables.h

@@ -1090,7 +1090,7 @@ enum nft_gen_attributes {
  * @NFTA_TRACE_NFPROTO: nf protocol processed (NLA_U32)
  * @NFTA_TRACE_POLICY: policy that decided fate of packet (NLA_U32)
  */
-enum nft_trace_attibutes {
+enum nft_trace_attributes {
 	NFTA_TRACE_UNSPEC,
 	NFTA_TRACE_TABLE,
 	NFTA_TRACE_CHAIN,