fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

sdong e1f52b6a22 Fix Valgrind error introduced by D16515 ... Summary: valgrind reports issues. This patch seems to fix it. Test Plan: run the tests that fails in valgrind Reviewers: igor, haobo, kailiu Reviewed By: kailiu CC: dhruba, ljin, yhchiang, leveldb Differential Revision: https://reviews.facebook.net/D16653		11 years ago
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rocksdb	Fix Valgrind error introduced by D16515	11 years ago
utilities	Some fixes to BackupableDB	11 years ago