coreos/etcd — pull request #1317 by unihorn (2014-10-16 23:20:16+00:00)
Title: etcdserver: fix data race in leaderStats.Followers

data race comes when
https://github.com/coreos/etcd/blob/master/etcdserver/cluster_store.go#L152
and
https://github.com/coreos/etcd/blob/master/etcdserver/cluster_store.go#L156
happens at the same time