[piwi] r569 committed - initialized variable to avoid warning

[pi...@googlecode.com]

Revision: 569
Author: grobmeier
Date: Thu Oct 14 02:39:52 2010
Log: initialized variable to avoid warning
http://code.google.com/p/piwi/source/detail?r=569

Modified:
/framework/trunk/piwi/lib/piwi/serializer/JsonSerializer.class.php

=======================================
--- /framework/trunk/piwi/lib/piwi/serializer/JsonSerializer.class.php Thu
Mar 19 00:08:46 2009
+++ /framework/trunk/piwi/lib/piwi/serializer/JsonSerializer.class.php Thu
Oct 14 02:39:52 2010
@@ -17,6 +17,7 @@

$elements = $domDocument->getElementsByTagName('content');

+ $html = null;
foreach ($elements as $item) {
$position = DOMDocument::loadXML($domDocument->saveXML($item));
$html .= $processor->transformToXML($position);