mmc: block: fix semicolon.cocci warnings

drivers/mmc/core/block.c:1929:3-4: Unneeded semicolon

 Remove unneeded semicolon.

Generated by: scripts/coccinelle/misc/semicolon.cocci

CC: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>

drivers/mmc/core/block.c

@@ -1940,7 +1940,7 @@ void mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
 			mmc_blk_issue_rw_rq(mq, req);
 			card->host->context_info.is_waiting_last_req = false;
 			break;
-		};
+		}
 	} else {
 		/* No request, flushing the pipeline with NULL */
 		mmc_blk_issue_rw_rq(mq, NULL);