appletalk: fix checkpatch errors with space required or prohibited

fix checkpatch errors while the space is required or prohibited

Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc net/appletalk/aarp.c
Simple merge

diff --cc net/appletalk/ddp.c
Simple merge