[gtk+] broadway: Fix toplevel handling

[Alexander Larsson <alexl src gnome org>]

commit 810ba4edcf900dbe2dcb2dc88788c1995081d9e4
Author: Alexander Larsson <alexl redhat com>
Date:   Fri Nov 17 10:37:01 2017 +0100

    broadway: Fix toplevel handling
    
    The toplevels list contains GdkWindowImplBroadways, and we shouldn't
    free it.

 gdk/broadway/gdkdisplay-broadway.c |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)
---
diff --git a/gdk/broadway/gdkdisplay-broadway.c b/gdk/broadway/gdkdisplay-broadway.c
index 2b69bc8..0d8dbc8 100644
--- a/gdk/broadway/gdkdisplay-broadway.c
+++ b/gdk/broadway/gdkdisplay-broadway.c
@@ -92,14 +92,11 @@ _gdk_broadway_display_size_changed (GdkDisplay                      *display,
   toplevels =  broadway_display->toplevels;
   for (l = toplevels; l != NULL; l = l->next)
     {
-      GdkWindow *toplevel = l->data;
-      GdkWindowImplBroadway *toplevel_impl = GDK_WINDOW_IMPL_BROADWAY (toplevel->impl);
+      GdkWindowImplBroadway *toplevel_impl = l->data;
 
       if (toplevel_impl->maximized)
-        gdk_window_move_resize (toplevel, 0, 0, msg->width, msg->height);
+        gdk_window_move_resize (toplevel_impl->wrapper, 0, 0, msg->width, msg->height);
     }
-
-  g_list_free (toplevels);
 }