[gedit] snippets: fix error trying to use variable that is not assigned

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 29524bd8c578768b08d6b93a3fdd8709f8a78a4b
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Fri Aug 22 17:30:16 2014 +0200

    snippets: fix error trying to use variable that is not assigned

 plugins/snippets/snippets/appactivatable.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/plugins/snippets/snippets/appactivatable.py b/plugins/snippets/snippets/appactivatable.py
index aae3686..6ebf00d 100644
--- a/plugins/snippets/snippets/appactivatable.py
+++ b/plugins/snippets/snippets/appactivatable.py
@@ -90,14 +90,14 @@ class AppActivatable(GObject.Object, Gedit.AppActivatable):
                                 self.css)
 
     def system_dirs(self):
+        dirs = []
+
         if platform.system() != 'Windows':
             if 'XDG_DATA_DIRS' in os.environ:
                 datadirs = os.environ['XDG_DATA_DIRS']
             else:
                 datadirs = '/usr/local/share' + os.pathsep + '/usr/share'
 
-            dirs = []
-
             for d in datadirs.split(os.pathsep):
                 d = os.path.join(d, 'gedit', 'plugins', 'snippets')