message: Fix Windows build 2
diff: @@ -191,8 +191,8 @@ oatpp::String runTestCase(const oatpp::String& data, v_int32 p1N, v_int32 p2N, v
  oatpp::base::ObjectHandle<Processor>(std::make_shared<ProcessorToLower>(p3N)),
  });
  - v_char8 buffer[bufferSize];
  - oatpp::data::stream::transfer(&inStream, &outStream, 0, buffer, bufferSize, &processor);
  + std::unique_ptr<v_char8[]> buffer(new v_char8[bufferSize]);
  + oatpp::data::stream::transfer(&inStream, &outStream, 0, buffer.get(), bufferSize, &processor);
  return outStream.toString();
  