[gnome-shell-extensions] places-menu: Fix JS warning

[Florian Müllner <fmuellner src gnome org>]

commit cccef0e857452680263af401ca415df45bef43b4
Author: Alexander Rüedlinger <a rueedlinger gmail com>
Date:   Tue Sep 5 04:04:11 2017 +0200

    places-menu: Fix JS warning
    
    Define class PlacesManager with 'var' instead of 'const', to shut
    up a gjs warning when accessing it from the extension.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=787291

 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 fc4b0a9..ba316bf 100644
--- a/extensions/places-menu/placeDisplay.js
+++ b/extensions/places-menu/placeDisplay.js
@@ -220,7 +220,7 @@ const DEFAULT_DIRECTORIES = [
     GLib.UserDirectory.DIRECTORY_VIDEOS,
 ];
 
-const PlacesManager = new Lang.Class({
+var PlacesManager = new Lang.Class({
     Name: 'PlacesManager',
 
     _init: function() {