duplicate function in project

it's impossible to install this module and hierarchical select at the same time, they use the same helperfunction.

the namingconvention used is not inline with the drupal standards.

/**
 * Smarter version of array_merge_recursive: overwrites scalar values.
 *
 * From: http://www.php.net/manual/en/function.array-merge-recursive.php#82976.
 */
function array_smart_merge($array, $override) {
  if (is_array($array) && is_array($override)) {
    foreach ($override as $k => $v) {
      if (isset($array[$k]) && is_array($v) && is_array($array[$k])) {
        $array[$k] = array_smart_merge($array[$k], $v);
      }
      else {
        $array[$k] = $v;
      }
    }
  }
  return $array;
}