Oddly indented raw_expression_tree_walker

I found raw_expression_tree_walker() is oddly indented in 8.4 and HEAD.
I expected pgindent would fix those clutter, but it could not.
Should we cleanup it manually, or leave it as-is?
Also, should we backport such kind of cleanups to previous releases?

Index: src/backend/nodes/nodeFuncs.c
===================================================================
@@ -2198,7 +2198,7 @@
  * that could appear under it, but not other statement types.
  */
 bool
-			raw_expression_tree_walker(Node *node, bool (*walker) (), void *context)
+raw_expression_tree_walker(Node *node, bool (*walker) (), void *context)
 {
 	ListCell   *temp;

Regards,
---
Takahiro Itagaki
NTT Open Source Software Center