[Piglit] [PATCH] egl-util: Define EGL_KHR_gl_colorspace symbols for older distros.

[Matt Turner]

On Fri, Jul 10, 2015 at 1:22 AM, Dylan Baker <baker.dylan.c at gmail.com> wrote:
> Maybe a better plan is to have the test detect that those aren't defined and
> skip?

This allows the compile to succeed. If the feature isn't supported at
runtime... that's when you skip.

We've added defines to let things compile with outdated headers
multiple times before: 76e74cb6, ffb56030.