bcache: Fix indentation

This patch avoids that smatch complains about inconsistent indentation.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Michael Lyle <mlyle@lyle.org>
Reviewed-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/drivers/md/bcache/writeback.h b/drivers/md/bcache/writeback.h
index 0bba8f1..610fb01 100644
--- a/drivers/md/bcache/writeback.h
+++ b/drivers/md/bcache/writeback.h
@@ -39,7 +39,7 @@ static inline uint64_t  bcache_flash_devs_sectors_dirty(struct cache_set *c)
 
 		if (!d || !UUID_FLASH_ONLY(&c->uuids[i]))
 			continue;
-	   ret += bcache_dev_sectors_dirty(d);
+		ret += bcache_dev_sectors_dirty(d);
 	}
 
 	mutex_unlock(&bch_register_lock);