Some versions of eglplatform.h don't support the MESA_EGL_NO_X11_HEADER
define for cross-platform definitions of the EGL types. Remove the
define and use an explicit cast instead.
Fixes gio#46
Signed-off-by: Elias Naur <mail@eliasnaur.com>
Systems that only support ES 2 are unlikely to have the required
extensions available. But we'll get a better exit error in that case.
Signed-off-by: Elias Naur <mail@eliasnaur.com>
Elias Naur