[pygobject] Override Gtk.TreeViewColumn.cell_get_position to not return success value

[Sebastian Polsterl <sebp src gnome org>]

commit 9d4443b3de8c327d8645ddde0a7a6dc5b977d7b4
Author: Sebastian Pölsterl <sebp k-d-w org>
Date:   Sat Oct 23 14:22:36 2010 +0200

    Override Gtk.TreeViewColumn.cell_get_position to not return success value

 gi/overrides/Gtk.py |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gi/overrides/Gtk.py b/gi/overrides/Gtk.py
index 047d3e7..1393ffc 100644
--- a/gi/overrides/Gtk.py
+++ b/gi/overrides/Gtk.py
@@ -807,6 +807,11 @@ class TreeViewColumn(Gtk.TreeViewColumn):
         for (name, value) in attributes.items():
             self.add_attribute(cell_renderer, name, value)
 
+    def cell_get_position(self, cell_renderer):
+        success, start_pos, width = super(TreeViewColumn, self).cell_get_position(cell_renderer)
+        if success:
+            return (start_pos, width,)
+
 TreeViewColumn = override(TreeViewColumn)
 __all__.append('TreeViewColumn')