Change list_raw_device return format

}

else if ($cmd=="list_raw_devices"){

	$devices = get_raw_dev();

	xml_header();

	echo "<command>".$cmd."</command>";

	echo "<".$cmd.">";

	foreach ($devices as $device => $size) {

			echo "<item>";

			echo "<raw_device>" . $device . "</raw_device>";

			echo "<size>" . round($size / 1048576, 2) . "</size>";

			echo "</item>";

	}

	echo "</".$cmd.">";

	xml_footer();

}

else if ($cmd=="list_partitions"){

        $partitions = get_partitions();