Typo: fix a typo in comment of LinkAdd method (#109)
Typo: fix a typo in comment of LinkAdd method (#109)

Signed-off-by: Lei Jitang <9ac444d2b5df3db1f31aa1c6462ac8e9e2bde241@huawei.com>
porjo/netlink,mcastelino/netlink,paravmellanox/netlink,axsh/netlink,vishvananda/netlink