[-] FO : uncombinable cart rules are not combinable anymore

git-svn-id: http://dev.prestashop.com/svn/v1/branches/1.5.x@12721 b9a71923-0436-4b27-9f14-aed3839534dd

controllers/front/ParentOrderController.php

@@ -116,7 +116,7 @@ class ParentOrderControllerCore extends FrontController
 						'discount_name' => Tools::safeOutput($code)
 					));
 				}
-				elseif ($id_cart_rule = (int)Tools::getValue('deleteDiscount') && Validate::isUnsignedId($id_cart_rule))
+				elseif (($id_cart_rule = (int)Tools::getValue('deleteDiscount')) && Validate::isUnsignedId($id_cart_rule))
 				{
 					$this->context->cart->removeCartRule($id_cart_rule);
 					Tools::redirect('index.php?controller=order-opc');