af_unix: clean up net/unix/af_unix.c garbage.c sysctl_net_unix.c

clean up net/unix/af_unix.c garbage.c sysctl_net_unix.c

Signed-off-by: Jianjun Kong <jianjun@zeuux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
3 files changed