[gedit-latex] Fix outline state saving

[John Stowers <jstowers src gnome org>]

commit 43763cd58be8652fa5c6845610ea118ddf5ad2ed
Author: John Stowers <john stowers gmail com>
Date:   Thu Jun 30 10:39:30 2011 +1200

    Fix outline state saving

 latex/outline.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/latex/outline.py b/latex/outline.py
index b945150..3041f68 100644
--- a/latex/outline.py
+++ b/latex/outline.py
@@ -158,7 +158,7 @@ class BaseOutlineView(SideView):
         self._expanded_paths = []
         self._view.map_expanded_rows(self._save_state_map_function,None)
 
-    def _save_state_map_function(self, view, path):
+    def _save_state_map_function(self, view, path, user_data=None):
         """
         Mapping function for saving the current expand state
         """