paride/pcd: use bdev_check_media_change

The pcd driver does not have a ->revalidate_disk method, so it can just
use bdev_check_media_change without any additional changes.

Signed-off-by: Christoph Hellwig <[e-mail]>
Reviewed-by: Johannes Thumshirn <[e-mail]>
Reviewed-by: Hannes Reinecke <[e-mail]>
Signed-off-by: Jens Axboe <[e-mail]>

drivers/block/paride/pcd.c

···
 	struct pcd_unit *cd = bdev->bd_disk->private_data;
 	int ret;
 
-	check_disk_change(bdev);
+	bdev_check_media_change(bdev);
 
 	mutex_lock(&pcd_mutex);
 	ret = cdrom_open(&cd->info, bdev, mode);