<commit_before><?php
class Kwc_Shop_AddToCartAbstract_FrontendForm extends Kwf_Form
{
    protected function _beforeInsert(&$row)
    {
        if (!$row->amount) {
            $row->amount = 1;
        }
    }
}
<commit_msg>remove & from row parameter<commit_after><?php
class Kwc_Shop_AddToCartAbstract_FrontendForm extends Kwf_Form
{
    protected function _beforeInsert($row)
    {
        if (!$row->amount) {
            $row->amount = 1;
        }
    }
}

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