[gnome-tweak-tool] update values after to change xsettings

[Alex Rodrigo Muñoz Domínguez <amunoz src gnome org>]

commit 4aee17651b882d378e3a25ae7ce61d339cf0d538
Author: Alex Muñoz <amunoz src gnome org>
Date:   Mon Feb 10 23:16:53 2014 -0300

    update values after to change xsettings

 gtweak/utils.py |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtweak/utils.py b/gtweak/utils.py
index a54b552..5a0b9b4 100644
--- a/gtweak/utils.py
+++ b/gtweak/utils.py
@@ -260,6 +260,7 @@ class XSettingsOverrides:
         items[name] = self.VARIANT_TYPES[name](v)
         n = GLib.Variant('a{sv}', items)
         self._settings.set_value('overrides', n)
+        self._variant = self._settings.get_value("overrides")
 
     def _get_override(self, name, default):
         try: