[gnome-shell] workspace: fix dragging of window thumbnails

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

commit 62b65a25d84918da84bb88d3949d5626d8904f20
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Sat Jan 21 17:07:59 2012 +0100

    workspace: fix dragging of window thumbnails
    
    Clear the ClutterClickAction state before starting the drag,
    otherwise it will eat the first button event after the drag,
    preventing a new drag from being started.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=662386

 js/ui/workspace.js |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/workspace.js b/js/ui/workspace.js
index 519e9b8..1d48bfd 100644
--- a/js/ui/workspace.js
+++ b/js/ui/workspace.js
@@ -370,6 +370,7 @@ const WindowClone = new Lang.Class({
                     if (this._selected)
                         return;
                     let [x, y] = action.get_coords();
+                    action.release();
                     this._draggable.startDrag(x, y, global.get_current_time());
                 }));
         }