fix newline problem in calendar

apps/calendar/export.php

 <?php
 /**
- * Copyright (c) 2011 Georg Ehrke <ownclouddev at georgswebsite dot de>
+ * Copyright (c) 2012 Georg Ehrke <ownclouddev at georgswebsite dot de>
  * This file is licensed under the Affero General Public License version 3 or
  * later.
  * See the COPYING-README file.
@@ -11,13 +11,15 @@ OC_Util::checkLoggedIn();
 OC_Util::checkAppEnabled('calendar');
 $cal = isset($_GET['calid']) ? $_GET['calid'] : NULL;
 $event = isset($_GET['eventid']) ? $_GET['eventid'] : NULL;
+$nl = '
+';
 if(isset($cal)){
 	$calendar = OC_Calendar_App::getCalendar($cal);
 	$calobjects = OC_Calendar_Object::all($cal);
 	header('Content-Type: text/Calendar');
 	header('Content-Disposition: inline; filename=' . $calendar['displayname'] . '.ics'); 
 	foreach($calobjects as $calobject){
-		echo $calobject['calendardata'] . '\n';
+		echo $calobject['calendardata'] . $nl;
 	}
 }elseif(isset($event)){
 	$data = OC_Calendar_App::getEventObject($_GET['eventid']);