[meld] Remove duplicate set_tab_width definition from nullsourceview

[Kai Willadsen <kaiw src gnome org>]

commit 8b2092047417884dad128401acdb0610210df689
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Fri Jun 25 15:37:11 2010 +1000

    Remove duplicate set_tab_width definition from nullsourceview

 meld/util/sourceviewer.py |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/meld/util/sourceviewer.py b/meld/util/sourceviewer.py
index 4b78479..eccfaa2 100644
--- a/meld/util/sourceviewer.py
+++ b/meld/util/sourceviewer.py
@@ -166,7 +166,6 @@ class nullsourceview(_srcviewer):
     set_highlight = lambda *args: None
     set_tab_width = lambda *args: None
     get_language_from_mime_type = lambda *args: None
-    set_tab_width = lambda *args: None
 
     def overrides(self):
         import gobject