Log Message:
Update xlockmore to 5.11. Changes:

  Nodename patch for OpenVMS thanks to Jouk Jansen
    <joukj@hrem.stm.tudelft.nl>.
  Speed up of lyapunov thanks to Yafe (yet another fractal explorer)
    maintainer Alex Pankratov <ap@cipherica.com>.
  The 5 OpenGL high intensity modes... atunnels, fire, sballs, sproingies,
    and sometimes gears now have full screen defaults.
    See XLock.ad and grep on 402 to change them back.
  Three patches thanks to <michal.cihar@suse.cz>.
    debug patch - s/if DEBUG/ifdef DEBUG/
    helper patch - support for auth using external program
      (The idea is xlock needs to be sgid shadow to allow reading
      /etc/shadow. This way needs just some small binary to be sgid.)
    various compile fixes