[gtk+] testsuite: Unrealize renderers before unreffing

[Benjamin Otte <otte src gnome org>]

commit 8900024697644430901f1678dc6788399bb3a815
Author: Benjamin Otte <otte redhat com>
Date:   Sun Nov 5 06:55:01 2017 +0100

    testsuite: Unrealize renderers before unreffing
    
    This is now necessary, because the GL renderer crashes if we don't
    enforce it.

 testsuite/gsk/test-render-nodes.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/testsuite/gsk/test-render-nodes.c b/testsuite/gsk/test-render-nodes.c
index 19e4a1d..447b19a 100644
--- a/testsuite/gsk/test-render-nodes.c
+++ b/testsuite/gsk/test-render-nodes.c
@@ -572,6 +572,7 @@ load_node_file (GFile *file, gboolean generate)
 
   g_object_unref (texture);
   g_object_unref (window);
+  gsk_renderer_unrealize (renderer);
   g_object_unref (renderer);
   gdk_window_destroy (window);