[gtk/gtk-3-22] toolbar: Use gdk_display_flush()

[Emmanuele Bassi <ebassi src gnome org>]

commit 4e5ef1a377761bbf9257ca1129c0018710b8c084
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sun Feb 11 15:38:20 2018 +0000

    toolbar: Use gdk_display_flush()
    
    Instead of the deprecated gdk_flush().

 gtk/gtktoolbar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtktoolbar.c b/gtk/gtktoolbar.c
index 46fd98fd7c..54ed539601 100644
--- a/gtk/gtktoolbar.c
+++ b/gtk/gtktoolbar.c
@@ -1216,7 +1216,7 @@ slide_idle_handler (gpointer data)
 
   if (priv->need_sync)
     {
-      gdk_flush ();
+      gdk_display_flush (gtk_widget_get_display (data));
       priv->need_sync = FALSE;
     }