Add host value to req.Host, resolves #145

Signed-off-by: Viacheslav Poturaev <vearutop@gmail.com>

Author: vearutop

client/runtime.go

@@ -374,6 +374,7 @@ func (r *Runtime) Submit(operation *runtime.ClientOperation) (interface{}, error
 	}
 	req.URL.Scheme = r.pickScheme(operation.Schemes)
 	req.URL.Host = r.Host
+	req.Host = r.Host
 
 	r.clientOnce.Do(func() {
 		r.client = &http.Client{

client/runtime_test.go

@@ -549,6 +549,8 @@ func TestRuntime_CustomTransport(t *testing.T) {
 		if req.URL.Scheme != "https" {
 			return nil, errors.New("this was not a https request")
 		}
+		assert.Equal(t, "localhost:3245", req.Host)
+		assert.Equal(t, "localhost:3245", req.URL.Host)
 		var resp http.Response
 		resp.StatusCode = 200
 		resp.Header = make(http.Header)