message: silenced a warning from VS
diff: @@ -726,7 +726,7 @@ ref_type SlabAlloc::attach_file(const std::string& file_path, Config& cfg)
  // the session initiator. Another process may have the session initiator.
  m_file_mappings->m_file.open(path.c_str(), access, create, 0); // Throws
  - size_t physical_file_size = m_file_mappings->m_file.get_size();
  + auto physical_file_size = m_file_mappings->m_file.get_size();
  if (cfg.encryption_key) {
  m_file_mappings->m_file.set_encryption_key(cfg.encryption_key);
  }
  