Summary:
This was causing db_crashtest.py to wrongly assume an error by parsing the output. Hopefully this will stabilize the crash tests.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6705
Test Plan: make blackbox_crash_test
Reviewed By: ltamasi
Differential Revision: D21043335
Pulled By: anand1976
fbshipit-source-id: 5cddd112b124d4e2ebd11724a17d4ef0f50c1cf8