From 471d0025f1d830f0ce71d22cfff69ebbda3de56f Mon Sep 17 00:00:00 2001
From: Andrew McMillan <andrew@morphoss.com>
Date: Thu, 10 Sep 2009 22:00:43 +1200
Subject: [PATCH] Call by reference is naughty, according to the PHP developers
 :-(

---
 inc/RRule.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/inc/RRule.php b/inc/RRule.php
index ffbd19d6..af3ede76 100644
--- a/inc/RRule.php
+++ b/inc/RRule.php
@@ -334,7 +334,7 @@ class iCalDate {
     }
     if ( $from->_epoch < $this->_epoch ) {
       /** One way to simplify is to always go for positive differences */
-      return( "-". $from->DateDifference( &$self ) );
+      return( "-". $from->DateDifference( $self ) );
     }
 //    if ( $from->_yy == $this->_yy && $from->_mo == $this->_mo ) {
       /** Also somewhat simpler if we can use seconds */