Peter Dillinger 7780a360eb Fix HISTORY.md and check_format_compatible.sh for 6.13 branch (#7401)
Summary:
Make "unreleased" section for HISTORY.md with things misplaced
into 6.12 and 6.13

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7401

Test Plan: see how it goes, and `git diff origin/6.13.fb HISTORY.md`

Reviewed By: jay-zhuang

Differential Revision: D23759740

Pulled By: pdillinger

fbshipit-source-id: fc441916c7ff2bbb8d5384137653b340d4c47674
2020-09-17 09:00:13 -07:00
..
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