[meld] Simplify label setting

[Kai Willadsen <kaiw src gnome org>]

commit 319f633c175256b1a7b2070051f66746728852b8
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Wed Sep 28 13:24:21 2011 +1000

    Simplify label setting

 meld/filediff.py |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/meld/filediff.py b/meld/filediff.py
index 4c07cc7..fbbca86 100644
--- a/meld/filediff.py
+++ b/meld/filediff.py
@@ -839,11 +839,11 @@ class FileDiff(melddoc.MeldDoc, gnomeglade.Component):
         # text buffer loading/saving
         #
 
-    def set_labels(self, lst):
-        assert len(lst) <= len(self.textbuffer)
-        for l, b in zip(lst, self.textbuffer):
-            if len(l):
-                b.data.label = l
+    def set_labels(self, labels):
+        labels = labels[:len(self.textbuffer)]
+        for label, buf in zip(labels, self.textbuffer):
+            if label:
+                buf.data.label = label
 
     def set_merge_output_file(self, filename):
         if len(self.textbuffer) < 2: