[gnome-tweak-tool] Fix a couple more instances of positional arguments on constructors

[Rui Matos <rtcm src gnome org>]

commit 0b64d3a7d296ff2b28920de184cabe8b36051070
Author: Rui Matos <tiagomatos gmail com>
Date:   Thu Sep 18 16:49:52 2014 +0200

    Fix a couple more instances of positional arguments on constructors

 gtweak/tweaks/tweak_group_startup.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtweak/tweaks/tweak_group_startup.py b/gtweak/tweaks/tweak_group_startup.py
index 7bf81a9..cc3ff5b 100644
--- a/gtweak/tweaks/tweak_group_startup.py
+++ b/gtweak/tweaks/tweak_group_startup.py
@@ -85,7 +85,7 @@ class _AppChooser(Gtk.Dialog):
             img.props.hexpand = False
         else:
              img = None #attach_next_to treats this correctly
-        lbl = Gtk.Label(a.get_name(), xalign=0)
+        lbl = Gtk.Label(label=a.get_name(), xalign=0)
         g.attach_next_to(lbl,img,Gtk.PositionType.RIGHT,1,1)
         lbl.props.hexpand = True
         lbl.props.halign = Gtk.Align.START
@@ -93,7 +93,7 @@ class _AppChooser(Gtk.Dialog):
         lbl.props.valign = Gtk.Align.CENTER
         if extra:
             g.attach_next_to(
-                Gtk.Label(extra),
+                Gtk.Label(label=extra),
                 lbl,Gtk.PositionType.RIGHT,1,1)
         row.add(g)
         #row.get_style_context().add_class('tweak-white')