Merge branch 'master' of github.com:roundcube/roundcubemail

Aleksander Machniak

2012-08-15 38ea9af1e685aeb89b5823e59ccd2c8fb481162c

 program/include/rcube_db.php

@@ -576,6 +576,10 @@
            return intval($input);
        }

        if (is_null($input)) {
            return 'NULL';
        }

        // create DB handle if not available
        if (!$this->dbh) {
            $this->db_connect('r');