Followup to r34957: Update fsfs structure doc.
Followup to r34957: Update fsfs structure doc.

* subversion/libsvn_fs_fs/structure:
  Note the changed layout of the pack files.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@875034 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion