message: Rename robots to robotsElement
diff: @@ -437,7 +437,7 @@ void StructureManager::serialize(NAS2D::Xml::XmlElement* element)
  if (it->first->isRobotCommand())
  {
  - auto* robots = new NAS2D::Xml::XmlElement("robots");
  + auto* robotsElement = new NAS2D::Xml::XmlElement("robots");
  const RobotList& rl = static_cast<RobotCommand*>(it->first)->robots();
  @@ -448,8 +448,8 @@ void StructureManager::serialize(NAS2D::Xml::XmlElement* element)
  if (i != rl.size() - 1) { str << ","; } // kind of a kludge
  }
  - robots->attribute("robots", str.str());
  - structure->linkEndChild(robots);
  + robotsElement->attribute("robots", str.str());
  + structure->linkEndChild(robotsElement);
  }
  if (it->first->structureClass() == Structure::StructureClass::FoodProduction)
  