[gnome-shell] search: return an empty list instead of null

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

commit fb5a0f8fa53903b958aad31ac84a3c607fc2fef9
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Feb 10 16:04:04 2011 -0500

    search: return an empty list instead of null
    
    Make SearchSystem.updateSearch be consistent and always return a list,
    avoiding an exception in SearchResults.updateSearch.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=642208

 js/ui/search.js |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/js/ui/search.js b/js/ui/search.js
index d1fa925..ca35341 100644
--- a/js/ui/search.js
+++ b/js/ui/search.js
@@ -355,7 +355,7 @@ SearchSystem.prototype = {
     updateSearch: function(searchString) {
         searchString = searchString.replace(/^\s+/g, '').replace(/\s+$/g, '');
         if (searchString == '')
-            return null;
+            return [];
 
         let terms = searchString.split(/\s+/);
         let isSubSearch = terms.length == this._previousTerms.length;