default the new dialog to "OK"

gtkui.py

@@ -203,6 +203,7 @@ class GameclockUI:
             window = gtk.Dialog("Create new game", self.ui.window, gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT,
                      (gtk.STOCK_CANCEL, gtk.RESPONSE_REJECT,
                       gtk.STOCK_OK, gtk.RESPONSE_ACCEPT))
+            window.set_default_response(gtk.RESPONSE_ACCEPT)
             window.connect("delete_event", lambda a, b: False)
             window.connect("destroy", lambda a: window.destroy)
             window.connect('response', self.handle_new_dialog)