Ticket #15993: 15993.6.patch

wp-admin/includes/class-wp-list-table.php

@@ -685 +685 @@
                                         $class[] = $desc_first ? 'asc' : 'desc';
                                 }
 
-                                $column_display_name = '<a href="' . esc_url( add_query_arg( compact( 'orderby', 'order' ), $current_url ) ) . '"><span>' . $column_display_name . '</span><span class="sorting-indicator"></span></a>';
+                                $column_display_name = '<a href="' . esc_url( add_query_arg( compact( 'orderby', 'order' ), $current_url ) ) . '"><span>' . $column_display_name . '<span class="sorting-indicator"></span></span></a>';
                         }
 
                         $id = $with_id ? "id='$column_key'" : '';