A couple bugfixes and some more tweaks to how reversals are handled.

git-svn-id: file:///svn-source/pmgr/branches/yafr_20090716@566 97e9348a-65ac-dc4b-aefc-98561f571b83

site/models/statement_entry.php

@@ -414,7 +414,7 @@ class StatementEntry extends AppModel {
 
       $stats = $this->Transaction->stats($receipt_id);
       $receipt_credit['balance'] =
-	$receipt_credit['Transaction']['amount'] - $stats['Disbursement']['total'];
+	$receipt_credit['Transaction']['amount'] - $stats['StatementEntry']['disbursements'];
 
       $receipt_credit['receipt'] = true;
       $credits = array($receipt_credit);
@@ -529,6 +529,8 @@ class StatementEntry extends AppModel {
 	if ($charge['balance'] <= 0)
 	  $this->pr(20, 'Fully Paid Charge');
       }
+      // Break the $credit reference to avoid future problems
+      unset($credit);
     }
 
     $this->pr(18, compact('credits'),