Upgrade oxy for websocket bug

glide.lock

@@ -1,4 +1,4 @@
-hash: fd8e1bbabefc71e0fc1551dcf67688d0b5ad1f23168a5c0256b8c98dda1b1fb3
+hash: 7b973a5de5444f7f29252ae78529ee50569174b2c17f4aa89bf15aaf2553c6b7
 updated: 2017-08-25T11:52:16.848940186+02:00
 imports:
 - name: cloud.google.com/go
@@ -479,7 +479,7 @@ imports:
 - name: github.com/urfave/negroni
   version: 490e6a555d47ca891a89a150d0c1ef3922dfffe9
 - name: github.com/vulcand/oxy
-  version: 7baa97f97557ff96be2798972dc831c7ba0a46e7
+  version: 6c94d2888dba2b1a15a89b8a2ca515fc85e07477
   repo: https://github.com/containous/oxy.git
   vcs: git
   subpackages:

glide.yaml

@@ -12,7 +12,7 @@ import:
 - package: github.com/cenk/backoff
 - package: github.com/containous/flaeg
 - package: github.com/vulcand/oxy
-  version: 7baa97f97557ff96be2798972dc831c7ba0a46e7
+  version: 6c94d2888dba2b1a15a89b8a2ca515fc85e07477
   repo: https://github.com/containous/oxy.git
   vcs: git
   subpackages:

vendor/github.com/vulcand/oxy/forward/fwd.go

@@ -128,6 +128,7 @@ func New(setters ...optSetter) (*Forwarder, error) {
 	if f.httpForwarder.roundTripper == nil {
 		f.httpForwarder.roundTripper = http.DefaultTransport
 	}
+	f.websocketForwarder.TLSClientConfig = f.httpForwarder.roundTripper.(*http.Transport).TLSClientConfig
 	if f.httpForwarder.rewriter == nil {
 		h, err := os.Hostname()
 		if err != nil {
@@ -317,7 +318,11 @@ func (f *websocketForwarder) copyRequest(req *http.Request, u *url.URL) (outReq
 	}
 
 	if requestURI, err := url.ParseRequestURI(outReq.RequestURI); err == nil {
+		if requestURI.RawPath != "" {
+			outReq.URL.Path = requestURI.RawPath
+		} else {
 			outReq.URL.Path = requestURI.Path
+		}
 		outReq.URL.RawQuery = requestURI.RawQuery
 	}