[gtk+] inspector: Unrealize renderer before unreffing

[Benjamin Otte <otte src gnome org>]

commit c5a631b999962e89e256b80231245530e616fc16
Author: Benjamin Otte <otte redhat com>
Date:   Sat Nov 4 15:20:04 2017 +0100

    inspector: Unrealize renderer before unreffing
    
    See previous patch for a description on why that is necessary.
    `

 gtk/inspector/general.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/inspector/general.c b/gtk/inspector/general.c
index 1c8e18d..54d2e57 100644
--- a/gtk/inspector/general.c
+++ b/gtk/inspector/general.c
@@ -139,6 +139,7 @@ init_version (GtkInspectorGeneral *gen)
   else
     renderer = "Unknown";
 
+  gsk_renderer_unrealize (gsk_renderer);
   g_object_unref (gsk_renderer);
   gdk_window_destroy (window);