Merge branch 'jk/free-tree-buffer'

* jk/free-tree-buffer:
clear parsed flag when we free tree buffers

diff --cc builtin/fsck.c
Simple merge

diff --cc builtin/index-pack.c
Simple merge

diff --cc builtin/reflog.c
Simple merge

diff --cc http-push.c
Simple merge

diff --cc revision.c
Simple merge

diff --cc tree.c
Simple merge

diff --cc tree.h
Simple merge