[gnome-shell] [Overview] Fix zoom when dragging items from the dash

[Florian Müllner <fmuellner src gnome org>]

commit 5c60d8982e6894da71b426b6c42d5707814a41eb
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Aug 21 10:39:06 2010 +0200

    [Overview] Fix zoom when dragging items from the dash
    
    Commit 4632db177 removed a required include statement, re-add it to
    fix DND from the dash.

 js/ui/overview.js |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/overview.js b/js/ui/overview.js
index 5187ca5..abf5953 100644
--- a/js/ui/overview.js
+++ b/js/ui/overview.js
@@ -8,6 +8,7 @@ const St = imports.gi.St;
 const Gettext = imports.gettext.domain('gnome-shell');
 const _ = Gettext.gettext;
 
+const GenericDisplay = imports.ui.genericDisplay;
 const Lightbox = imports.ui.lightbox;
 const Main = imports.ui.main;
 const Panel = imports.ui.panel;