[mutter] MetaDisplay: free the wayland windows table at close

[Giovanni Campagna <gcampagna src gnome org>]

commit 1427d209223224e94b7bdd4a6d22ff034bcdf13b
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Wed May 7 18:24:43 2014 +0200

    MetaDisplay: free the wayland windows table at close
    
    Like we do for the XID table.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=729732

 src/core/display.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/core/display.c b/src/core/display.c
index 8742282..7eeac51 100644
--- a/src/core/display.c
+++ b/src/core/display.c
@@ -1003,6 +1003,7 @@ meta_display_close (MetaDisplay *display,
    * unregister windows
    */
   g_hash_table_destroy (display->xids);
+  g_hash_table_destroy (display->wayland_windows);
 
   if (display->leader_window != None)
     XDestroyWindow (display->xdisplay, display->leader_window);