Actually implement what 'svnfsfs load-index' promises: That the input data does not need to be pre-sorted by offset.
Actually implement what 'svnfsfs load-index' promises: That the input data
does not need to be pre-sorted by offset.

* subversion/libsvn_fs_fs/load-index.c
  (compare_p2l_entry_revision): Define ordering criterion.
  (svn_fs_fs__load_index): Sort the input before processing it.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1697387 13f79535-47bb-0310-9956-ffa450edef68

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