um: remove unneeded semicolon

while(){}, semicolon do not need to be appended.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2237
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

arch/um/drivers/virtio_uml.c

@@ -412,7 +412,7 @@ static irqreturn_t vu_req_read_message(struct virtio_uml_device *vu_dev,
 		if (msg.msg.header.flags & VHOST_USER_FLAG_NEED_REPLY)
 			vhost_user_reply(vu_dev, &msg.msg, response);
 		irq_rc = IRQ_HANDLED;
-	};
+	}
 	/* mask EAGAIN as we try non-blocking read until socket is empty */
 	vu_dev->recv_rc = (rc == -EAGAIN) ? 0 : rc;
 	return irq_rc;