message: Use dictionaryToAttributes for maintenance personel
diff: @@ -122,9 +122,12 @@ namespace
  if (structure->structureClass() == Structure::StructureClass::Maintenance)
  {
  auto maintenance = static_cast<MaintenanceFacility*>(structure);
  - auto personnel = new NAS2D::Xml::XmlElement("personnel");
  - personnel->attribute("assigned", maintenance->personnel());
  - structureElement->linkEndChild(personnel);
  + structureElement->linkEndChild(
  + NAS2D::dictionaryToAttributes(
  + "personnel",
  + {{{"assigned", maintenance->personnel()}}}
  + )
  + );
  }
  return structureElement;
  