[gtk+] wayland: Don't pass transient-for when getting real parent

[Jonas Ådahl <jadahl src gnome org>]

commit 9a2ce3a485d31a28824fa94258ffa55de69a4a1c
Author: Jonas Ådahl <jadahl gmail com>
Date:   Mon Sep 12 18:24:14 2016 +0800

    wayland: Don't pass transient-for when getting real parent
    
    It's always derived from transient-for so no need to pass it.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=771117

 gdk/wayland/gdkwindow-wayland.c |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)
---
diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index 77fb4a8..c411da5 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -1607,11 +1607,13 @@ window_anchor_to_gravity (GdkGravity rect_anchor)
 }
 
 static GdkWindow *
-get_real_parent_and_translate (GdkWindow  *child,
-                               GdkWindow  *parent,
-                               gint       *x,
-                               gint       *y)
+get_real_parent_and_translate (GdkWindow *window,
+                               gint      *x,
+                               gint      *y)
 {
+  GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
+  GdkWindow *parent = impl->transient_for;
+
   while (parent &&
          !gdk_window_has_native (parent) &&
          gdk_window_get_effective_parent (parent))
@@ -1893,7 +1895,6 @@ create_dynamic_positioner (GdkWindow *window,
   real_anchor_rect_x = impl->pending_move_to_rect.rect.x;
   real_anchor_rect_y = impl->pending_move_to_rect.rect.y;
   parent = get_real_parent_and_translate (window,
-                                          impl->transient_for,
                                           &real_anchor_rect_x,
                                           &real_anchor_rect_y);