[gnome-sound-recorder] Fix the about dialog when headerbar is used

[Meg Ford (Margaret) <megford src gnome org>]

commit d7298827b1493ff78dea74d832b1f3a790d95b18
Author: Yosef Or Boczko <yoseforb src gnome org>
Date:   Fri Jan 24 01:22:14 2014 +0200

    Fix the about dialog when headerbar is used
    
    https://bugzilla.gnome.org/show_bug.cgi?id=722867
    
    Signed-off-by: Meg Ford <meg387 gmail com>

 src/main.js |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/main.js b/src/main.js
index aae4f7c..ff4a338 100644
--- a/src/main.js
+++ b/src/main.js
@@ -120,7 +120,7 @@ const Application = new Lang.Class({
     },
     
     _showAbout: function() {
-        let aboutDialog = new Gtk.AboutDialog();       
+        let aboutDialog = new Gtk.AboutDialog({ use_header_bar: true });
         aboutDialog.artists = [ 'Reda Lazri <the red shortcut gmail com>',
                                 'Garrett LeSage <garrettl gmail com>',
                                 'Hylke Bons <hylkebons gmail com>' ];