code review by hf: do remove from cart count to int

@@ -165,7 +165,6 @@ class IndexController extends AbstractAction
     /*
      * 加价购页面
      */
-
     public function advanceBuyAction()
     {
         $this->setTitle('加价购');
@@ -184,7 +183,6 @@ class IndexController extends AbstractAction
     /*
      * 获取购物车商品数据
      */
-
     public function goodinfoAction()
     {
         $result = array();