message: windows conversion fix
diff: @@ -70,10 +70,10 @@ public:
  void AddDetail()
  {
  m_nCalls++;
  - double relative = std::chrono::duration_cast<std::chrono::microseconds>(
  + auto relative = std::chrono::duration_cast<std::chrono::microseconds>(
  m_InitialTime - m_ADIOS2ProgStart)
  .count();
  - double micros = std::chrono::duration_cast<std::chrono::microseconds>(
  + auto micros = std::chrono::duration_cast<std::chrono::microseconds>(
  m_ElapsedTime - m_InitialTime)
  .count();
  