Merge pull request #60 from hasAdamr/http_transport_hotfix

Fix http transport panic

gengokit/httptransport/templates.go

@@ -52,7 +52,7 @@ var ClientEncodeTemplate = `
 // the http request (path, query, and body).
 func EncodeHTTP{{$binding.Label}}Request(_ context.Context, r *http.Request, request interface{}) error {
 	fmt.Printf("Encoding request %v\n", request)
-	req := request.(pb.{{GoName $binding.Parent.RequestType}})
+	req := request.(*pb.{{GoName $binding.Parent.RequestType}})
 	_ = req
 
 	// Set the path parameters

gengokit/httptransport/templates_test.go

@@ -60,7 +60,7 @@ func TestGenClientEncode(t *testing.T) {
 // the http request (path, query, and body).
 func EncodeHTTPSumZeroRequest(_ context.Context, r *http.Request, request interface{}) error {
 	fmt.Printf("Encoding request %v\n", request)
-	req := request.(pb.SumRequest)
+	req := request.(*pb.SumRequest)
 	_ = req
 
 	// Set the path parameters