message: Inline and remove temporary variable vein
diff: @@ -311,7 +311,7 @@ NAS2D::Xml::XmlElement* Mine::serialize(NAS2D::Point<int> location)
  {
  const MineVein& mv = mVeins[i];
  - auto* vein = NAS2D::dictionaryToAttributes(
  + element->linkEndChild(NAS2D::dictionaryToAttributes(
  "vein",
  {{
  {"id", static_cast<int>(i)},
  @@ -320,9 +320,7 @@ NAS2D::Xml::XmlElement* Mine::serialize(NAS2D::Point<int> location)
  {"rare_metals", mv[OreType::ORE_RARE_METALS]},
  {"rare_minerals", mv[OreType::ORE_RARE_MINERALS]},
  }}
  - );
  -
  - element->linkEndChild(vein);
  + ));
  }
  return element;
  