fix wrong indentation

Summary:
Somehow the indentation was incorrect in this file.
The only change in this PR is to get it right again in order to make the code more readable.
Please reject if you think it's not worth it.
Closes https://github.com/facebook/rocksdb/pull/3504

Differential Revision: D6996011

Pulled By: miasantreble

fbshipit-source-id: 060514a3a8c910d34bad795b36eb4d278512b154
This commit is contained in:
jsteemann 2018-02-15 11:01:42 -08:00 committed by Facebook Github Bot
parent ba6ee1f749
commit 6a30b98fdc