netfilter: arp_tables: restore a SPDX identifier
authorChristoph Hellwig <hch@lst.de>
Tue, 28 Jul 2020 16:38:33 +0000 (18:38 +0200)
committerDavid S. Miller <davem@davemloft.net>
Tue, 28 Jul 2020 20:43:40 +0000 (13:43 -0700)
commita3ad434ad782085670d74e1a35c4c3f6043749f0
treedf71c6fa5579b146128aa90e15a10ac421339b8b
parent21db923eae812cf594d53f6519e113ee1b051f2c
netfilter: arp_tables: restore a SPDX identifier

This was accidentally removed in an unrelated commit.

Fixes: c2f12630c60f ("netfilter: switch nf_setsockopt to sockptr_t")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/netfilter/arp_tables.c