message: Fix copy/paste error causing an exception when a model as tangents.
diff: @@ -274,7 +274,7 @@ static void loadPrimitive(
  auto tangentAccessorIt = primitive.attributes.find("TANGENT");
  if (tangentAccessorIt != primitive.attributes.end()) {
  - int tangentAccessorID = normalAccessorIt->second;
  + int tangentAccessorID = tangentAccessorIt->second;
  Cesium3DTiles::GltfAccessor<FVector4> tangentAccessor(model, tangentAccessorID);
  for (size_t i = 0; i < indicesAccessor.size(); ++i) {
  