Remove YADFC (yet another deprecated function call).
Remove YADFC (yet another deprecated function call).

* subversion/svnserve/serve.c
  (get_file): Use svn_checksum_t's and assocated APIs.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@873214 13f79535-47bb-0310-9956-ffa450edef68

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