RAID: remove trailing space from printk line

drivers/md/*.[ch] contains only one more printk line with a trailing space.
Remove it.
Signed-off-by: Nick Andrew <nick@nick-andrew.net>
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>

drivers/md/md.c

@@ -4152,7 +4152,7 @@ static int hot_remove_disk(mddev_t * mddev, dev_t dev)
 
 	return 0;
 busy:
-	printk(KERN_WARNING "md: cannot remove active disk %s from %s ... \n",
+	printk(KERN_WARNING "md: cannot remove active disk %s from %s ...\n",
 		bdevname(rdev->bdev,b), mdname(mddev));
 	return -EBUSY;
 }