On the fsfs-pack branch: Progress toward being able to read packed files.
On the fsfs-pack branch:
Progress toward being able to read packed files.

* subversion/libsvn_fs_fs/fs_fs.c
  (path_rev_packed): New.
  (open_pack_or_rev_file): New.
  (get_root_changes_offset): Accept a packed parameter, but abort (for the time
    being) if it's true.
  (svn_fs_fs__rev_get_root, svn_fs_fs__paths_changed, recover_body):
    Use the new helper to open a revision, or packed, file.


git-svn-id: 6d1e534e20247d472effbf726af644f7d9a7221d@873768 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion