[gtk+] tests/gtk: Add GdkX11GLContext to the whitelist

[Emmanuele Bassi <ebassi src gnome org>]

commit 7b6a6c9421b6e4e8aa974f28eaf54a63f3f9c90b
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Oct 22 21:20:52 2014 +0100

    tests/gtk: Add GdkX11GLContext to the whitelist
    
    We cannot create them directly anyway.

 testsuite/gtk/defaultvalue.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/testsuite/gtk/defaultvalue.c b/testsuite/gtk/defaultvalue.c
index de74938..2925459 100644
--- a/testsuite/gtk/defaultvalue.c
+++ b/testsuite/gtk/defaultvalue.c
@@ -84,7 +84,8 @@ test_type (gconstpointer data)
       g_str_equal (g_type_name (type), "GdkX11DeviceManagerXI2") ||
       g_str_equal (g_type_name (type), "GdkX11Display") ||
       g_str_equal (g_type_name (type), "GdkX11DisplayManager") ||
-      g_str_equal (g_type_name (type), "GdkX11Screen"))
+      g_str_equal (g_type_name (type), "GdkX11Screen") ||
+      g_str_equal (g_type_name (type), "GdkX11GLContext"))
     return;
 
   /* This throws a critical when the connection is dropped */