examples: fix gtk+ 3.14 deprecation error

https://developer.gnome.org/gtk3/3.13/GtkWidget.html#gtk-widget-set-double-buffered

https://bugzilla.gnome.org/show_bug.cgi?id=734482

diff --git a/tests/examples/gl/gtk/switchvideooverlay/main.cpp b/tests/examples/gl/gtk/switchvideooverlay/main.cpp
index 440d5ce..e8378b8 100644 (file)
--- a/tests/examples/gl/gtk/switchvideooverlay/main.cpp
+++ b/tests/examples/gl/gtk/switchvideooverlay/main.cpp
@@ -118,7 +118,6 @@ static void area_realize_cb(GtkWidget* widget, gpointer data)
 
     //avoid flickering when resizing or obscuring the main window
     gtk_widget_set_app_paintable(widget, TRUE);
-    gtk_widget_set_double_buffered(widget, FALSE);
 }