netfilter: ipt_CLUSTERIP: make clusterip_lock per net namespace

this lock is used for protecting clusterip_configs of per
net namespace, it should be per net namespace too.

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
1 file changed