'object' reserved from php7 onwards

php7cc reported that 'object' is reserved in PHP7 http://php.net/manual/en/reserved.other-reserved-words.php

File: /home/davidm/Desktop/moodlecode/int/master/lib/setuplib.php
> Line 66: Name "object" that is reserved for future use (does not cause an error in PHP 7) used as a class, interface or trait name
class object extends \stdClass
{
}