fix eventsource for ie

core/js/eventsource.js

@@ -68,7 +68,7 @@ OC.EventSource=function(src,data){
 OC.EventSource.fallBackSources=[];
 OC.EventSource.iframeCount=0;//number of fallback iframes
 OC.EventSource.fallBackCallBack=function(id,type,data){
-	OC.EventSource.fallBackSources[id].fallBackCallBack(type,JSON.parse(data));
+	OC.EventSource.fallBackSources[id].fallBackCallBack(type,data);
 }
 OC.EventSource.prototype={
 	typelessListeners:[],

lib/eventsource.php

@@ -59,7 +59,7 @@ class OC_EventSource{
 			$type=null;
 		}
 		if($this->fallback){
-			$response='<script type="text/javascript">window.parent.OC.EventSource.fallBackCallBack('.$this->fallBackId.',"'.$type.'","'.json_encode($data).'")</script>'.PHP_EOL;
+			$response='<script type="text/javascript">window.parent.OC.EventSource.fallBackCallBack('.$this->fallBackId.',"'.$type.'",'.json_encode($data).')</script>'.PHP_EOL;
 			echo $response;
 		}else{
 			if($type){