Fix ZF-3257 (comment 16 May) recursive depth problem

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@24039 44c647ce-9c0f-0410-b52a-842ac1e357ba

library/Zend/Json.php

@@ -277,7 +277,7 @@ class Zend_Json
             $childArray= array();
             foreach ($childrens as $child) {
                 $childname= $child->getName();
-                $element= self::_processXml($child,$ignoreXmlAttributes,$recursionDepth++);
+                $element= self::_processXml($child,$ignoreXmlAttributes,$recursionDepth+1);
                 if (array_key_exists($childname, $childArray)) {
                     if (empty($subChild[$childname])) {
                         $childArray[$childname]=array($childArray[$childname]);