[pitivi] prefs: Don't redefine builtin "iter"

[Jean-François Fortin Tam <jfft src gnome org>]

commit b5af033b140d11b79b60878a7f12894c86b5b6ca
Author: Mathieu Duponchelle <mduponchelle1 gmail com>
Date:   Thu Dec 26 16:31:01 2013 +0100

    prefs: Don't redefine builtin "iter"

 pitivi/dialogs/prefs.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/pitivi/dialogs/prefs.py b/pitivi/dialogs/prefs.py
index eaff1c8..182d67f 100644
--- a/pitivi/dialogs/prefs.py
+++ b/pitivi/dialogs/prefs.py
@@ -314,8 +314,8 @@ class PreferencesDialog(object):
 
     def _treeSelectionChangedCb(self, selection):
         """ Update current when selection changed"""
-        model, iter = selection.get_selected()
-        new = self.sections[model[iter][1]]
+        model, _iter = selection.get_selected()
+        new = self.sections[model[_iter][1]]
         if self._current != new:
             if self._current:
                 self._current.hide()