optimize externalAddresses() return

We do not use addresses and err in function body,so we drop them to maintain a consistent coding style

optimize externalAddresses() return
4ae0423d · NickrenREN · 84df0679 · 4ae0423d
Commit 4ae0423d authored Jan 04, 2017 by NickrenREN
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master.go pkg/master/master.go +1 -1

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--- a/pkg/master/master.go
+++ b/pkg/master/master.go
@@ -361,7 +361,7 @@ type nodeAddressProvider struct {
 	nodeClient corev1client.NodeInterface
 }

-func (n nodeAddressProvider) externalAddresses() (addresses []string, err error) {
+func (n nodeAddressProvider) externalAddresses() ([]string, error) {
 	preferredAddressTypes := []apiv1.NodeAddressType{
 		apiv1.NodeExternalIP,
 		apiv1.NodeLegacyHostIP,