Bring comment about caching priorities in line with the code, after r1721285 changed the dir caching priority.
Bring comment about caching priorities in line with the code,
after r1721285 changed the dir caching priority.

* subversion/libsvn_fs_fs/caching.c
  (svn_fs_fs__initialize_caches): Sync comment with reality.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1764481 13f79535-47bb-0310-9956-ffa450edef68

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