message: Rename local variable to borderColor
diff: @@ -256,8 +256,8 @@ void ListBox::update()
  if (empty())
  {
  renderer.drawBoxFilled(mRect, NAS2D::Color::Black);
  - const auto boxColor = hasFocus() ? mBorderColorActive : mBorderColorNormal;
  - renderer.drawBox(mRect, boxColor);
  + const auto borderColor = hasFocus() ? mBorderColorActive : mBorderColorNormal;
  + renderer.drawBox(mRect, borderColor);
  return;
  }
  