functional-tester/agent: fix shadowed err var
@@ -141,7 +141,8 @@ func (srv *Server) Transport(stream rpcpb.Transport_TransportServer) (err error)
srv.Tester = req.Tester
}
- resp, err := srv.handleTesterRequest(req)
+ var resp *rpcpb.Response
+ resp, err = srv.handleTesterRequest(req)
if err != nil {
errc <- err
// TODO: handle error and retry
