From 00319fb898ea095c9ccb79901d661cd1678c04e1 Mon Sep 17 00:00:00 2001
From: Qiang Xue <qiang.xue@gmail.com>
Date: Fri, 29 Mar 2013 08:32:58 -0400
Subject: [PATCH] Fixed about previous exception.

---
 framework/base/HttpException.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/framework/base/HttpException.php b/framework/base/HttpException.php
index 94a9a55ad9..948d96b7a0 100644
--- a/framework/base/HttpException.php
+++ b/framework/base/HttpException.php
@@ -29,11 +29,12 @@ class HttpException extends UserException
 	 * @param integer $status HTTP status code, such as 404, 500, etc.
 	 * @param string $message error message
 	 * @param integer $code error code
+	 * @param \Exception $previous The previous exception used for the exception chaining.
 	 */
-	public function __construct($status, $message = null, $code = 0)
+	public function __construct($status, $message = null, $code = 0, \Exception $previous = null)
 	{
 		$this->statusCode = $status;
-		parent::__construct($message, $code);
+		parent::__construct($message, $code, $previous);
 	}
 
 	/**