[gtk+] wayland: Also emit monitors-changed when monitors are unplugged

[Matthias Clasen <matthiasc src gnome org>]

commit ca09a600c39ffc867460b079b8f0852d4c3fb5b7
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Mar 26 21:53:41 2013 -0400

    wayland: Also emit monitors-changed when monitors are unplugged

 gdk/wayland/gdkscreen-wayland.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gdk/wayland/gdkscreen-wayland.c b/gdk/wayland/gdkscreen-wayland.c
index cdfef56..845ae14 100644
--- a/gdk/wayland/gdkscreen-wayland.c
+++ b/gdk/wayland/gdkscreen-wayland.c
@@ -962,6 +962,9 @@ _gdk_wayland_screen_remove_output_by_id (GdkScreen *screen,
       if (wl_proxy_get_id ((struct wl_proxy *)monitor->output) == id)
         {
           g_ptr_array_remove (screen_wayland->monitors, monitor);
+
+          g_signal_emit_by_name (screen_wayland, "monitors-changed");
+          update_screen_size (screen_wayland);
           break;
         }
     }