[gnome-boxes] topbar: Provide kbd accelerator for "New" button

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit 3061b8573dd9c0d4bc4e28c9ad3d41f1c9a5ae28
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed Aug 28 19:09:59 2013 +0300

    topbar: Provide kbd accelerator for "New" button

 src/topbar.vala |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/src/topbar.vala b/src/topbar.vala
index 2784bc9..998414a 100644
--- a/src/topbar.vala
+++ b/src/topbar.vala
@@ -53,7 +53,10 @@ private class Boxes.Topbar: Boxes.UI {
         toolbar.get_style_context ().add_class (Gtk.STYLE_CLASS_MENUBAR);
         hbox.pack_start (toolbar, true, true, 0);
 
-        new_btn = toolbar.add_button (null, _("New"), true) as Gtk.Button;
+        new_btn = toolbar.add_button (null, _("_New"), true) as Gtk.Button;
+        new_btn.use_underline = true;
+        // workaround for libgd bug #698289
+        new_btn.label = _("_New");
         new_btn.set_size_request (70, -1);
         new_btn.clicked.connect ((button) => { App.app.ui_state = UIState.WIZARD; });