team: add __exit modifier to team_nl_fini()

team_nl_fini is only called when the module exits, so add the __exit
modifier to it.

Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20230807012556.3146071-2-shaozhengchao@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/team/team.c

@@ -2892,7 +2892,7 @@ static int __init team_nl_init(void)
 	return genl_register_family(&team_nl_family);
 }
 
-static void team_nl_fini(void)
+static void __exit team_nl_fini(void)
 {
 	genl_unregister_family(&team_nl_family);
 }