Following up on r1714330 and r1714333, fix deprecation warnings.
Following up on r1714330 and r1714333, fix deprecation warnings.

* subversion/libsvn_ra_svn/client.c
  (handle_child_process_error,
   make_tunnel,
   open_session): Call the latest API version but don't set any limits
                  because the client already has cancellation support
                  if needed.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1714334 13f79535-47bb-0310-9956-ffa450edef68

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