gizmo: Chain up in css_changed

css_changed is a vfunc that *must* chain up.
Failure to do so broke the resizing of overlay scrollbars,
amongst other things.

This bug was introduced in 39f72b38341d2ff2d67.

diff --git a/gtk/gtkgizmo.c b/gtk/gtkgizmo.c
index 45b23b20ebe36932fcf4a818e76a201634a681c6..d1af37aa65364e50e46e7084a701091fe08442a5 100644 (file)
--- a/gtk/gtkgizmo.c
+++ b/gtk/gtkgizmo.c
@@ -88,6 +88,8 @@ gtk_gizmo_css_changed (GtkWidget         *widget,
 {
   GtkGizmo *self = GTK_GIZMO (widget);
 
+  GTK_WIDGET_CLASS (gtk_gizmo_parent_class)->css_changed (widget, change);
+
   if (self->css_changed_func)
     self->css_changed_func (self, change);
 }