[gtk+] wayland: Make sure to call use_unstable_version

[Jasper St. Pierre <jstpierre src gnome org>]

commit 4844ef88db81c56bcde2bf2d798105845c7e487d
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Sat Dec 7 13:14:36 2013 -0500

    wayland: Make sure to call use_unstable_version

 gdk/wayland/gdkdisplay-wayland.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gdk/wayland/gdkdisplay-wayland.c b/gdk/wayland/gdkdisplay-wayland.c
index 527af63..0e0c33e 100644
--- a/gdk/wayland/gdkdisplay-wayland.c
+++ b/gdk/wayland/gdkdisplay-wayland.c
@@ -167,6 +167,7 @@ gdk_registry_handle_global(void *data, struct wl_registry *registry, uint32_t id
   } else if (strcmp(interface, "xdg_shell") == 0) {
     display_wayland->xdg_shell =
       wl_registry_bind(display_wayland->wl_registry, id, &xdg_shell_interface, 1);
+    xdg_shell_use_unstable_version(display_wayland->xdg_shell, XDG_SHELL_VERSION_CURRENT);
   } else if (strcmp(interface, "gtk_shell") == 0) {
     display_wayland->gtk_shell =
       wl_registry_bind(display_wayland->wl_registry, id, &gtk_shell_interface, 1);