Fix conditionnal logic broken in 195b24fe3a03
195b24fe3a03 replace:
if not req.cnx:
by
if getattr(req, 'cnx', True):
The "not" diseapeared in the process.
<div id="ajaxroot">
<div class="ajaxHtmlHead">
<script src="http://foo.js" type="text/javascript"> </script>
<link rel="stylesheet" type="text/css" media="all" href="qunit.css" />
</div>
<h1>Hello</h1>
</div>