[gnome-tweak-tool] Fix a new round of PyGI deprecation warnings

[Rui Matos <rtcm src gnome org>]

commit 3d3a8c2d79a95233ffbed18abe19d685eb76fd33
Author: Rui Matos <tiagomatos gmail com>
Date:   Mon Mar 14 16:28:39 2016 +0100

    Fix a new round of PyGI deprecation warnings
    
    https://bugzilla.gnome.org/show_bug.cgi?id=763558

 gtweak/egowrapper.py             |    4 ++--
 gtweak/tweaks/tweak_group_xkb.py |    2 +-
 gtweak/utils.py                  |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/gtweak/egowrapper.py b/gtweak/egowrapper.py
index 9657c9b..9d105d2 100644
--- a/gtweak/egowrapper.py
+++ b/gtweak/egowrapper.py
@@ -26,9 +26,9 @@ from gi.repository import Soup
 class ExtensionsDotGnomeDotOrg(GObject.GObject):
 
     __gsignals__ = {
-      "got-extensions": (GObject.SIGNAL_RUN_FIRST, GObject.TYPE_NONE,
+      "got-extensions": (GObject.SignalFlags.RUN_FIRST, GObject.TYPE_NONE,
             (GObject.TYPE_PYOBJECT,)),
-      "got-extension-info": (GObject.SIGNAL_RUN_FIRST, GObject.TYPE_NONE,
+      "got-extension-info": (GObject.SignalFlags.RUN_FIRST, GObject.TYPE_NONE,
             (GObject.TYPE_PYOBJECT,GObject.TYPE_STRING)),
     }
 
diff --git a/gtweak/tweaks/tweak_group_xkb.py b/gtweak/tweaks/tweak_group_xkb.py
index 2a0fc88..6548617 100644
--- a/gtweak/tweaks/tweak_group_xkb.py
+++ b/gtweak/tweaks/tweak_group_xkb.py
@@ -60,7 +60,7 @@ class _XkbOption(Gtk.Expander, Tweak):
         for (val, name) in model_values:
             self._radios[val] = r = Gtk.RadioButton.new_from_widget(self._radios.get(None))
             vbox.add(r)
-            l = Gtk.Label(name)
+            l = Gtk.Label(label=name)
             l.set_line_wrap(True)
             r.add(l)
             r._changed_id = r.connect('toggled', self._on_radio_changed)
diff --git a/gtweak/utils.py b/gtweak/utils.py
index 6e4d701..a291e89 100644
--- a/gtweak/utils.py
+++ b/gtweak/utils.py
@@ -241,7 +241,7 @@ class SchemaList:
 class DisableExtension(GObject.GObject):
     
     __gsignals__ = {
-        "disable-extension": (GObject.SIGNAL_RUN_FIRST, GObject.TYPE_NONE,()),
+        "disable-extension": (GObject.SignalFlags.RUN_FIRST, GObject.TYPE_NONE,()),
     }    
     
     def __init__(self):