[gnome-tweak-tool] fix search - ensure name and description are not None

[John Stowers <jstowers src gnome org>]

commit 3d81598b5b643ab134aa85290b04678d1f0aae35
Author: John Stowers <john stowers gmail com>
Date:   Wed Aug 28 23:23:17 2013 +0200

    fix search - ensure name and description are not None

 gtweak/tweakmodel.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtweak/tweakmodel.py b/gtweak/tweakmodel.py
index 230e5e3..fc20d63 100644
--- a/gtweak/tweakmodel.py
+++ b/gtweak/tweakmodel.py
@@ -45,8 +45,8 @@ class Tweak(object):
     widget_for_size_group = None
 
     def __init__(self, name, description, **options):
-        self.name = name
-        self.description = description
+        self.name = name or ""
+        self.description = description or ""
         self.uid = options.get("uid", self.__class__.__name__)
         self.group_name = options.get("group_name",_("Miscellaneous"))
         self.loaded = options.get("loaded", True)