the rss feed has a cdata for header title but not for header image title ;(

--- trunk/lib/vendor/Zend/1_6_2/Zend/Feed/Rss.php       (Revision 13622)
+++ trunk/lib/vendor/Zend/1_6_2/Zend/Feed/Rss.php       (Arbeitskopie)
@@ -173,7 +173,8 @@
             $image = $this->_element->createElement('image');
             $url = $this->_element->createElement('url', $array->image);
             $image->appendChild($url);
-            $imagetitle = $this->_element->createElement('title', $array->title);
+            $imagetitle = $this->_element->createElement('title');
+            $imagetitle->appendChild($this->_element->createCDATASection($array->title));
             $image->appendChild($imagetitle);
             $imagelink = $this->_element->createElement('link', $array->link);
             $image->appendChild($imagelink);