block/xd.c: fix brace typo

Fix extra brace typo that is causing build errors.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index 4dc2983..b16a3a9 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -322,7 +322,7 @@
 		int res = -EIO;
 		int retry;
 
-		if (req->cmd_type != REQ_TYPE_FS) {
+		if (req->cmd_type != REQ_TYPE_FS)
 			goto done;
 		if (block + count > get_capacity(req->rq_disk))
 			goto done;