GtkWidget: Start renaming widget->window

This is an automated change doing these command:

git sed -f g gtk_widget_set_has_window gtk_widget_set_has_surface
git sed -f g gtk_widget_get_has_window gtk_widget_get_has_surface
git sed -f g gtk_widget_set_parent_window gtk_widget_set_parent_surface
git sed -f g gtk_widget_get_parent_window gtk_widget_get_parent_surface
git sed -f g gtk_widget_set_window gtk_widget_set_surface
git sed -f g gtk_widget_get_window gtk_widget_get_surface
git sed -f g gtk_widget_register_window gtk_widget_register_surface
git sed -f g gtk_widget_unregister_window gtk_widget_unregister_surface

git checkout NEWS*

1 files changed, 1 insertions, 1 deletions

diff --git a/gtk/gtkapplication-wayland.c b/gtk/gtkapplication-wayland.c
index f1e85f02df..a5f48df251 100644
--- a/gtk/gtkapplication-wayland.c
+++ b/gtk/gtkapplication-wayland.c
@@ -44,7 +44,7 @@ gtk_application_impl_wayland_handle_window_realize (GtkApplicationImpl *impl,
   GdkSurface *gdk_surface;
   gchar *window_path;
 
-  gdk_surface = gtk_widget_get_window (GTK_WIDGET (window));
+  gdk_surface = gtk_widget_get_surface (GTK_WIDGET (window));
 
   if (!GDK_IS_WAYLAND_SURFACE (gdk_surface))
     return;