message: Slightly improve an error message
diff: @@ -1248,7 +1248,7 @@ void HoI4Country::outputHistory() const
  ofstream output("output/" + Configuration::getOutputName() + "/history/countries/" + Utils::normalizeUTF8Path(filename));
  if (!output.is_open())
  {
  - Log(LogLevel::Error) << "Could not open " << "output/" << Configuration::getOutputName() << "/history/countries/" << Utils::normalizeUTF8Path(filename);
  + Log(LogLevel::Error) << "Could not open output/" << Configuration::getOutputName() << "/history/countries/" << Utils::normalizeUTF8Path(filename);
  exit(-1);
  }
  output << "\xEF\xBB\xBF"; // add the BOM to make HoI4 happy
  