[gnome-shell] search: Fix custom drag actor source

[Florian Müllner <fmuellner src gnome org>]

commit d5aa276c418bcb276db35fb74945a111b085be7b
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Aug 19 18:57:36 2014 +0200

    search: Fix custom drag actor source
    
    The existing code broke when commit 792b963bda8c changed the custom
    result actor hook to return an object instead of an actor - stop
    trying to go through a _delegate to make it work again.

 js/ui/search.js |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/search.js b/js/ui/search.js
index 1bb656a..16ec4d2 100644
--- a/js/ui/search.js
+++ b/js/ui/search.js
@@ -243,8 +243,8 @@ const GridSearchResult = new Lang.Class({
             dragSource = icon.icon;
             content = { actor: actor, icon: icon };
         } else {
-            if (content._delegate && content._delegate.getDragActorSource)
-                dragSource = content._delegate.getDragActorSource();
+            if (content.getDragActorSource)
+                dragSource = content.getDragActorSource();
         }
 
         this.actor.set_child(content.actor);