[ocrfeeder] Port engines migration dialog to GI

[Joaquim Manuel Pereira Rocha <jrocha src gnome org>]

commit 9523edd9f4d9112bffdee7a024e2a46356a21fac
Author: Joaquim Rocha <jrocha redhat com>
Date:   Thu Jul 31 00:02:02 2014 +0200

    Port engines migration dialog to GI

 src/ocrfeeder/studio/studioBuilder.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/ocrfeeder/studio/studioBuilder.py b/src/ocrfeeder/studio/studioBuilder.py
index 9ea6ac4..7ada8d3 100644
--- a/src/ocrfeeder/studio/studioBuilder.py
+++ b/src/ocrfeeder/studio/studioBuilder.py
@@ -458,8 +458,8 @@ class Studio:
             for migration in manual_update:
                 names.append(migration['engine'].name)
             dialog = Gtk.MessageDialog(self.main_window.window,
-                                       Gtk.DIALOG_MODAL |
-                                       Gtk.DIALOG_DESTROY_WITH_PARENT,
+                                       Gtk.DialogFlags.MODAL |
+                                       Gtk.DialogFlags.DESTROY_WITH_PARENT,
                                        Gtk.MessageType.WARNING)
             dialog.add_buttons(_('_Keep Current Configuration') ,
                                Gtk.ResponseType.CANCEL,