Revert "Remove an useless ORDER BY."... the order by wasn't all that …

…useless.

This reverts commit c80d2da.

Conflicts:

	modules/gallery/models/item.php

modules/gallery/models/item.php

@@ -387,7 +387,8 @@ public function get_position($child_id) {
       SELECT COUNT(*) AS position FROM {items}
       WHERE parent_id = {$this->id}
         AND `{$this->sort_column}` $comp (SELECT `{$this->sort_column}`
-                                          FROM {items} WHERE id = $child_id)")->current()->position;
+                                          FROM {items} WHERE id = $child_id)
+      ORDER BY `{$this->sort_column}` {$this->sort_order}")->current()->position;
 
     // We stopped short of our target value in the sort (notice that we're using a < comparator
     // above) because it's possible that we have duplicate values in the sort column.  An