message: Add an explicit cast to avoid warning.
diff: @@ -242,7 +242,7 @@ int main(int argc, char *argv[])
  // Set element attributes in the mesh object before saving
  for (int i = 0; i < mesh.GetNE(); i++)
  {
  - mesh.SetAttribute(i, attr(i));
  + mesh.SetAttribute(i, static_cast<int>( attr(i) ) );
  }
  mesh.SetAttributes();
  