(logging-winston) Fix example in README.md (#2028)
(logging-winston) Fix example in README.md (#2028)


googleapis/google-cloud-node,callmehiphop/gcloud-node,jcking/google-cloud-node,jcking/google-cloud-node,GoogleCloudPlatform/gcloud-node,ofrobots/google-cloud-node,ofrobots/google-cloud-node,GoogleCloudPlatform/gcloud-node,jcking/google-cloud-node,ofrobots/google-cloud-node,googleapis/google-cloud-node,jgeewax/gcloud-node,jgeewax/gcloud-node,googleapis/google-cloud-node,googleapis/google-cloud-node,callmehiphop/gcloud-node,GoogleCloudPlatform/gcloud-node