[Piglit] [PATCH] egl_mesa_platform_surfaceless: Fix build against old EGL headers

[Chad Versace]

On Wed 19 Oct 2016, Ilia Mirkin wrote:
> It builds. I wonder if this should go into piglit-util-egl.h instead.
> Your call. Either way,
> 
> Tested-by: Ilia Mirkin <imirkin at alum.mit.edu>

I'll put it in piglit-util-egl.h. That's a good idea.