message: Fix ispc.github.com -> ispc.github.io
diff: @@ -574,7 +574,7 @@ implementation of that algorithm. After reading through that example, you
  may want to examine the source code of the various examples in the
  ``examples/`` directory of the ``ispc`` distribution.
  -.. _Mandelbrot set example: http://ispc.github.com/example.html
  +.. _Mandelbrot set example: http://ispc.github.io/example.html
  Using The ISPC Compiler
  =======================
  @@ -5301,7 +5301,7 @@ can also have a significant effect on performance; in general, creating
  groups of work that will tend to do similar computation across the SPMD
  program instances improves performance.
  -.. _ispc Performance Tuning Guide: http://ispc.github.com/perfguide.html
  +.. _ispc Performance Tuning Guide: http://ispc.github.io/perfguide.html
  Notices & Disclaimers
  