message: Fix for linux build
diff: @@ -54,7 +54,7 @@ class RegimentType
  };
  -std::ostream& HoI4::operator << (std::ostream& out, const HoI4::RegimentType& regiment);
  +std::ostream& operator << (std::ostream& out, const RegimentType& regiment);
  class DivisionTemplateType
  