In the cleanup of r423, some code accidentally got squashed. This checkin undoes that problem

git-svn-id: file:///svn-source/pmgr/branches/yafr_20090716/site@425 97e9348a-65ac-dc4b-aefc-98561f571b83

models/ledger.php

@@ -144,6 +144,10 @@ class Ledger extends AppModel {
 
     $this->queryInit($query);
 
+    if (!isset($query['link']['Account']))
+      $query['link']['Account'] = array();
+    if (!isset($query['link']['Account']['fields']))
+      $query['link']['Account']['fields'] = array();
     if (!isset($query['fields']))
       $query['fields'] = array();