Updating response code from version mismatch (#721)
Updating response code from version mismatch (#721)

Updating the responde code to reflect [the actual response code](https://github.com/BuoyantIO/linkerd/blob/f8a4f7d3cd62001d5361e5935b1d500eb548e72d/namerd/iface/control-http/src/main/scala/io/buoyant/namerd/iface/DtabHandler.scala#L108)
linkerd/linkerd,linkerd/linkerd,pawelprazak/linkerd,BuoyantIO/linkerd,denverwilliams/linkerd,denverwilliams/linkerd,BuoyantIO/linkerd,denverwilliams/linkerd,pawelprazak/linkerd,pawelprazak/linkerd,hhtpcd/linkerd,linkerd/linkerd,hhtpcd/linkerd,denverwilliams/linkerd,hhtpcd/linkerd