[gnome-shell] workspace: Clean up a leftover later_add on destroy

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

commit 25318f696d0b30b66fb63f530dfbccb340e22556
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Sep 10 20:42:11 2013 -0400

    workspace: Clean up a leftover later_add on destroy
    
    https://bugzilla.gnome.org/show_bug.cgi?id=707889

 js/ui/workspace.js |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/workspace.js b/js/ui/workspace.js
index 03446ba..35dfb29 100644
--- a/js/ui/workspace.js
+++ b/js/ui/workspace.js
@@ -1434,6 +1434,10 @@ const Workspace = new Lang.Class({
 
         if (this._positionWindowsId > 0)
             Meta.later_remove(this._positionWindowsId);
+
+        if (this._actualGeometryLater > 0)
+            Meta.later_remove(this._actualGeometryLater);
+
         this._windows = [];
     },