window: Fix gtk_window_set_geometry_hints documentation

The geometry_widget parameter is ignored from 3.20 onwards [1], not
3.18 as mentioned in the documentation.

[1] commit 08974a1e9a6099a5a94b9d56970dbf96e473ba87

https://bugzilla.gnome.org/show_bug.cgi?id=764321

diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 83ad2164ac3bee119b726902cd6722fb3d79fc9b..395b781be29e524d9a220b6e0636610d7c8b2c8e 100644 (file)
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -3996,7 +3996,7 @@ gtk_window_get_geometry_info (GtkWindow *window,
  * gtk_window_set_geometry_hints:
  * @window: a #GtkWindow
  * @geometry_widget: (allow-none): widget the geometry hints used to be applied to
- *   or %NULL. Since 3.18 this argument is ignored and GTK behaves as if %NULL was
+ *   or %NULL. Since 3.20 this argument is ignored and GTK behaves as if %NULL was
  *   set.
  * @geometry: (allow-none): struct containing geometry information or %NULL
  * @geom_mask: mask indicating which struct fields should be paid attention to