[gnome-shell-extensions] Skip over XDG directories that cannot be found.

[Florian Müllner <fmuellner src gnome org>]

commit 768bad6e1eb64787ad11d8471c141f777ff4fb5f
Author: Maxime Henrion <mhenrion gmail com>
Date:   Tue Dec 2 18:51:59 2014 +0100

    Skip over XDG directories that cannot be found.
    
    This fixes loading the places menu gnome-shell extension when the XDG
    directories have not been configured.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=741033

 extensions/places-menu/placeDisplay.js |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/extensions/places-menu/placeDisplay.js b/extensions/places-menu/placeDisplay.js
index a741e4b..f7a2567 100644
--- a/extensions/places-menu/placeDisplay.js
+++ b/extensions/places-menu/placeDisplay.js
@@ -202,7 +202,7 @@ const PlacesManager = new Lang.Class({
         let specials = [];
         for (let i = 0; i < DEFAULT_DIRECTORIES.length; i++) {
             let specialPath = GLib.get_user_special_dir(DEFAULT_DIRECTORIES[i]);
-            if (specialPath == homePath)
+            if (specialPath == null || specialPath == homePath)
                 continue;
 
             let file = Gio.File.new_for_path(specialPath), info;