[BLOCK] s390 xpram typo

bio_end_io() should be bio_endio()
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

drivers/s390/block/xpram.c

@@ -230,7 +230,7 @@ static int xpram_make_request(struct request_queue *q, struct bio *bio)
 		}
 	}
 	set_bit(BIO_UPTODATE, &bio->bi_flags);
-	bio_end_io(bio, 0);
+	bio_endio(bio, 0);
 	return 0;
 fail:
 	bio_io_error(bio);