Small CS fixes after PR merge

Aleksander Machniak

2014-10-18 d26e94ae9456c6bf13392884e28a32c60f7301b0

 plugins/database_attachments/database_attachments.php

@@ -126,8 +126,10 @@
     */
    function cleanup($args)
    {
        $cache = $this->get_cache();
        $cache->remove($args['group'], true);
        // check if cache object exist, it may be empty on session_destroy (#1489726)
        if ($cache = $this->get_cache()) {
            $cache->remove($args['group'], true);
        }
    }

    /**