[gnome-contacts] Use header bar in the avatar dialog

[Yosef Or Boczko <yoseforb src gnome org>]

commit 052eeb403259410b63d66bb75104c9a54f96de8b
Author: Yosef Or Boczko <yoseforb src gnome org>
Date:   Wed Apr 9 20:42:38 2014 +0300

    Use header bar in the avatar dialog
    
    https://bugzilla.gnome.org/show_bug.cgi?id=727680

 src/contacts-avatar-dialog.vala |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/contacts-avatar-dialog.vala b/src/contacts-avatar-dialog.vala
index 53025f4..8726e91 100644
--- a/src/contacts-avatar-dialog.vala
+++ b/src/contacts-avatar-dialog.vala
@@ -239,12 +239,13 @@ public class Contacts.AvatarDialog : Dialog {
   }
 
   public AvatarDialog (Contact contact) {
+    Object (use_header_bar: 1);
+
     thumbnail_factory = new Gnome.DesktopThumbnailFactory (Gnome.ThumbnailSize.NORMAL);
     this.contact = contact;
     set_title (_("Select Picture"));
     set_transient_for (App.app.window);
     set_modal (true);
-    add_buttons (_("Close"), ResponseType.CLOSE, null);
 
     var grid = new Grid ();
     grid.set_border_width (8);