gtk_widget_intersect: fix annotations

https://bugzilla.gnome.org/show_bug.cgi?id=773228

diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index da9c2b2318fbf3903b891dd350f90663b955933d..5a79090354311ef28820e9dfc48d7ae4a387a447 100644 (file)
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -7892,7 +7892,8 @@ gtk_widget_reparent (GtkWidget *widget,
  * gtk_widget_intersect:
  * @widget: a #GtkWidget
  * @area: a rectangle
- * @intersection: (nullable): rectangle to store intersection of @widget and @area
+ * @intersection: (out caller-allocates) (optional): rectangle to store
+ *   intersection of @widget and @area
  *
  * Computes the intersection of a @widget’s area and @area, storing
  * the intersection in @intersection, and returns %TRUE if there was