git: 30376771fc79 - main - netlink: fix build

The branch main has been updated by melifaro:

URL: https://cgit.FreeBSD.org/src/commit/?id=30376771fc79810ffdcc47a68772c23e27b729ff

commit 30376771fc79810ffdcc47a68772c23e27b729ff
Author:     Alexander V. Chernikov <melifaro@FreeBSD.org>
AuthorDate: 2023-05-27 12:29:14 +0000
Commit:     Alexander V. Chernikov <melifaro@FreeBSD.org>
CommitDate: 2023-05-27 12:29:14 +0000

    netlink: fix build
---
 sys/netlink/netlink_snl_route_parsers.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/netlink/netlink_snl_route_parsers.h b/sys/netlink/netlink_snl_route_parsers.h
index a89462210133..1e9320a4559e 100644
--- a/sys/netlink/netlink_snl_route_parsers.h
+++ b/sys/netlink/netlink_snl_route_parsers.h
@@ -95,8 +95,8 @@ struct rta_mpath {
 };
 
 static bool
-nlattr_get_multipath(struct snl_state *ss, struct nlattr *nla, const void *arg,
-    void *target)
+nlattr_get_multipath(struct snl_state *ss, struct nlattr *nla,
+    const void *arg __unused, void *target)
 {
 	uint32_t start_size = 4;