Duplication in Drupal.setting.sexyExposed

When function sexy_exposed_views_pre_execute(&$view) calls several times for one view, it causing duplicaties in Drupal.setting.sexyExposed.

Because :

drupal_add_js(array('sexyExposed' => $needs_sexy_love),'setting');

runs several times with same array. Consequently "element" in Drupal.behaviors.sexyExposed function becomes array.

Drupal.behaviors.sexyExposed = function (context) {
  var settings = Drupal.settings.sexyExposed;
  $.each(settings, function(key, element) {
    $key = $(key);
    // Adjust max height if maximum number of visible items is set.
    if (element > 0) { // <-- it`s array now
      height = sexyExposedCalculateMaxHeight($key, element);
      $key.dropdownchecklist({maxDropHeight: height});
    }
    else if (element == 0) { // <-- it`s array now
      $key.dropdownchecklist();
    }
  });
};

As a result - none of conditions become true.

I offer my patch, wich uses static array for used elements keys.