[epiphany] Use header bar in certificate dialog

[William Jon McCann <mccann src gnome org>]

commit 0b036c01ef37b199de12add9ae17af7ebce93814
Author: William Jon McCann <william jon mccann gmail com>
Date:   Thu Feb 6 16:38:05 2014 -0500

    Use header bar in certificate dialog
    
    https://bugzilla.gnome.org/show_bug.cgi?id=723803

 lib/widgets/ephy-certificate-dialog.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)
---
diff --git a/lib/widgets/ephy-certificate-dialog.c b/lib/widgets/ephy-certificate-dialog.c
index 7d6fabb..9afdffe 100644
--- a/lib/widgets/ephy-certificate-dialog.c
+++ b/lib/widgets/ephy-certificate-dialog.c
@@ -322,10 +322,8 @@ ephy_certificate_dialog_new (GtkWindow *parent,
                                     "certificate", certificate,
                                     "tls-errors", tls_errors,
                                      "modal", TRUE,
+                                     "use-header-bar", TRUE,
                                     NULL));
-  gtk_dialog_add_buttons (GTK_DIALOG (dialog),
-                         _("_Close"), GTK_RESPONSE_CLOSE,
-                         NULL);
   if (parent)
     gtk_window_set_transient_for (GTK_WINDOW (dialog), parent);