widget: Add a missing nullability annotation

diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 89635ba8dc6f9e7b3c7f36c9e180356440634eca..f649acfe7465e0ae6b6825aa5f4af98bfe6dd186 100644 (file)
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -5288,7 +5288,7 @@ gtk_widget_set_name (GtkWidget     *widget,
  * Retrieves the name of a widget. See gtk_widget_set_name() for the
  * significance of widget names.
  *
- * Returns: name of the widget. This string is owned by GTK and
+ * Returns: (nullable): name of the widget. This string is owned by GTK and
  * should not be modified or freed
  **/
 const char *