[cogl/wip/hadess/automake-1.16] ci: Force GLX renderer

[Emmanuele Bassi <ebassi src gnome org>]

commit 49d9025a52dcf642cdb51592be9c9ccf6abfda9b
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu Jun 4 12:20:19 2020 +0100

    ci: Force GLX renderer

 .gitlab-ci.yml | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0c54f192..37b23cb1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -32,6 +32,7 @@ variables:
     pkgconfig(wayland-cursor)
     pkgconfig(wayland-egl)
     pkgconfig(xkbcommon)
+  COGL_RENDERER: "glx"
 
 build_stable:
   before_script: