[Piglit] libepoxy conversion v2

[Ken Phillis Jr]

On Tue, Feb 25, 2014 at 3:45 PM, Brian Paul <brianp at vmware.com> wrote:
> I haven't had time to look at these changes, nor libepoxy.  But it's
> critical to us that piglit continues to work on Windows.
>
> -Brian
>

I just finished fixing MSVC compilation of libepoxy. It's still
somewhat of a mess, but the code compiles with both visual studio and
mingw32. I just do not exactly know if there is any specific breaks
introduced