DomCI : Update PHPDoc

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@3285 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

outputxml.php

@@ -30,7 +30,7 @@ class outputxml extends output
 
   /** function defination to convert array to xml
       @param mixed $data The data to be converted
-      @param string $xml The actual state of the XML file */
+      @param string &$xml The actual state of the XML file */
   private function array_to_xml ($data, &$xml)
   {
     foreach($data as $key => $value)