block: mq-deadline: Add a word in a source code comment

Add the missing word "and".

Cc: Damien Le Moal <dlemoal@kernel.org>
Suggested-by: Damien Le Moal <dlemoal@kernel.org>
Fixes: 945ffb60 ("mq-deadline: add blk-mq adaptation of the deadline IO scheduler")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230517174230.897144-2-bvanassche@acm.orgSigned-off-by: Jens Axboe <axboe@kernel.dk>

block/mq-deadline.c

@@ -443,7 +443,7 @@ static struct request *__dd_dispatch_request(struct deadline_data *dd,
 	 */
 	rq = deadline_next_request(dd, per_prio, dd->last_dir);
 	if (rq && dd->batching < dd->fifo_batch)
-		/* we have a next request are still entitled to batch */
+		/* we have a next request and are still entitled to batch */
 		goto dispatch_request;
 
 	/*