gtk: update per glib changes
@@ -946,7 +946,7 @@ pub unsafe trait WidgetClassSubclassExt: ClassStruct {
T: ObjectType + FromGlibPtrNone<*mut <T as ObjectType>::GlibType>,
{
let widget_class = self as *mut _ as *mut ffi::GtkWidgetClass;
- let private_offset = <Self::Type as ObjectSubclass>::type_data()
+ let private_offset = <Self::Type as ObjectSubclassType>::type_data()
.as_ref()
.private_offset;
ffi::gtk_widget_class_bind_template_child_full(
