patch setup (#2675)

* patch setup

Use a more streamlined grammar

* fix break

No need to break out in this for loop

plugin/etcd/setup.go

@@ -59,8 +59,7 @@ func etcdParse(c *caddy.Controller) (*Etcd, error) {
 			etc.Zones[i] = plugin.Host(str).Normalize()
 		}
 
-		if c.NextBlock() {
-			for {
+		for c.NextBlock() {
 			switch c.Val() {
 			case "stubzones":
 				// ignored, remove later.
@@ -103,12 +102,6 @@ func etcdParse(c *caddy.Controller) (*Etcd, error) {
 					return &Etcd{}, c.Errf("unknown property '%s'", c.Val())
 				}
 			}
-
-				if !c.Next() {
-					break
-				}
-			}
-
 		}
 		client, err := newEtcdClient(endpoints, tlsConfig, username, password)
 		if err != nil {