[pitivi] prefs: Make _fillContents a private method.

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

commit 0d76c0303f673413854f27d01a889d203a49bbc9
Author: Mathieu Duponchelle <mduponchelle1 gmail com>
Date:   Thu Dec 26 16:22:00 2013 +0100

    prefs: Make _fillContents a private method.
    
    Also set attribute "sections" in __init__

 pitivi/dialogs/prefs.py |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/pitivi/dialogs/prefs.py b/pitivi/dialogs/prefs.py
index 0c6b582..eaff1c8 100644
--- a/pitivi/dialogs/prefs.py
+++ b/pitivi/dialogs/prefs.py
@@ -71,7 +71,8 @@ class PreferencesDialog(object):
         self.factory_settings = builder.get_object("resetButton")
         self.restart_warning = builder.get_object("restartWarning")
 
-        self._fillContents()
+        self.sections = {}
+        self.__fillContents()
         req = self.contents.size_request()
         min_width = req.width
         min_height = req.height
@@ -250,8 +251,7 @@ class PreferencesDialog(object):
             ptvWidgets.FontWidget)
 
 ## Implementation
-    def _fillContents(self):
-        self.sections = {}
+    def __fillContents(self):
         for section in sorted(self.prefs):
             options = self.prefs[section]
             self.model.append((_(section), section))