One more php 5.5 related warning fix

htdocs/lib/Session.php

@@ -49,6 +49,7 @@ class Session
 		$this->validsession = false;
 		$this->cookie = "singularity_sid";
 		$this->user = new User;
+		$this->persist = new stdClass;
 		register_shutdown_function(array(&$this, 'shutdown'));
 	}
 

htdocs/report_detail.php

@@ -219,16 +219,16 @@ $settings = array_merge($first, $second);
 
 <?php endif ?>
 <!-- Settings tab -->
-
+</div>
 
 <!-- comments tab -->
 <div id="tabs-6">
-</div>
-<!-- comments tab -->
-
 <div id="tabs_footer" style="max-width: 800px; padding: 10px;">
     <?php Comments::renderCommentPanel($report->signature_id) ?>
 </div>
+</div>
+<!-- comments tab -->
+
 
 </div> <!-- end of tabs panel -->