workaround for std::packaged_task<void()> problem on MSVC

routed.cpp

@@ -142,7 +142,7 @@ int main(int argc, const char *argv[])
         }
         else
         {
-            std::packaged_task<void()> server_task(std::bind(&Server::Run, routing_server));
+            std::packaged_task<int()> server_task([&]()->int{ routing_server->Run(); return 0; });
             auto future = server_task.get_future();
             std::thread server_thread(std::move(server_task));