Log Message:
Updated to devel/SDL_gfx-2.0.25
--------------------------------
Ver 2.0.25 - Sun, Oct 27, 2013  3:08:15 PM
* Added patch for 32- and 64-bit GCC-compiled MMX support
  (contributed by Sylvain Beucler, backported from SDL2_gfx)
* Fixed bug in _aaline when x1>x2 and dy==0 (found by Yannick
  Guesnet - thanks!)
* Updated documentation.
* Fixed header in SDL_gfxBlitFunc.h (reported by Jaders77 on
  sourceforge - thanks!)