mac80211: compatibility with kernel 6.6.59

mac80211: compatibility with kernel 6.6.59

Fix genlmsg_multicast_allns() build error on kernel 6.6.59.
Based on kernel patch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit?h=v6.6.59&id=e0f83d268974dab0361d11904dfc9acec53f96a6

Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
Link: https://github.com/openwrt/openwrt/pull/16835
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 31f1dabb4b9727b300ddaa2801903ae4b72e4e1e)
Link: https://github.com/openwrt/openwrt/pull/16894
Signed-off-by: Robert Marko <robimarko@gmail.com>