`bzr qlog SUBDIR --show-trees` does not work

[IWATA Hidetaka]

`bzr qlog SUBDIR --show-trees` crashes with this traceback

--
bzr: ERROR: bzrlib.errors.NoSuchRevision: CHKInventoryRepository('file:///D:/DEVELOP/BZR/tortoisebzr/.bzr/branches/.bzr/repository/') has no revision current:D:/DEVELOP/BZR/tortoisebzr

Traceback (most recent call last):
  File "D:\DEVELOP\BZR_PLUGINS_25\qbzr\lib\util.py", line 944, in run_in_loading_queue
    f(*args, **kargs)
  File "D:\DEVELOP\BZR_PLUGINS_25\qbzr\lib\logmodel.py", line 110, in load
    super(FileIdFilter, self).load(revids)
  File "D:\DEVELOP\BZR_PLUGINS_25\qbzr\lib\loggraphviz.py", line 1468, in load
    revids[start:start + chunk_size])
  File "D:\DEVELOP\BZR_PLUGINS_25\qbzr\lib\loggraphviz.py", line 1495, in load_filter_file_id_chunk
    for inv, revid in izip(repo.iter_inventories(revids), revids):
  File "C:\DEVELOP\py_envs\bzr2.5-mingw\lib\site-packages\bzrlib\vf_repository.py", line 1751, in iter_inventories
    raise errors.NoSuchRevision(self, revid)
NoSuchRevision: CHKInventoryRepository('file:///D:/DEVELOP/BZR/tortoisebzr/.bzr/branches/.bzr/repository/') has no revision current:D:/DEVELOP/BZR/tortoisebzr