gl-renderer: Add <platform_attribs> param to gl_renderer_display_create

This change adds <platform_attribs> parameter to
gl_renderer_display_create() in case we ever want to pass non-NULL.

Signed-off-by: Miguel A Vico Moya <mvicomoya@nvidia.com>
Reviewed-by: Andy Ritger <aritger@nvidia.com>
Reviewed-by: James Jones <jajones@nvidia.com>
[Pekka: removed notes about EGLOutput]
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c
index 41ad9de..a899213 100644
--- a/libweston/compositor-drm.c
+++ b/libweston/compositor-drm.c
@@ -1572,6 +1572,7 @@
 	if (gl_renderer->display_create(b->compositor,
 					EGL_PLATFORM_GBM_KHR,
 					(void *)b->gbm,
+					NULL,
 					gl_renderer->opaque_attribs,
 					format,
 					n_formats) < 0) {