Merge branch 'ab/sequencer-unleak'

Plug leaks in sequencer subsystem and its users. * ab/sequencer-unleak: commit.c: free() revs.commit in get_fork_point() builtin/rebase.c: free() "options.strategy_opts" sequencer.c: always free() the "msgbuf" in do_pick_commit() builtin/rebase.c: fix "options.onto_name" leak builtin/revert.c: move free-ing of "revs" to replay_opts_release() sequencer API users: fix get_replay_opts() leaks sequencer.c: split up sequencer_remove_state() rebase: use "cleanup" pattern in do_interactive_rebase()