Ticket #7539: get_terms_order.diff

wp-includes/taxonomy.php

@@ -617 +617 @@
                 $orderby = 't.slug';
         else if ( 'term_group' == $orderby )
                 $orderby = 't.term_group';
-        else
+        else if (!isset($orderby))
                 $orderby = 't.term_id';
 
         $where = '';