[PATCH] remove c1,c2 unused variables

[Vincent Legoll <vincent legoll gmail com>]

Nothing that isn't in the subject
-- 
Vincent Legoll

Index: filediff.py
===================================================================
--- filediff.py	(révision 1157)
+++ filediff.py	(copie de travail)
@@ -1050,7 +1050,7 @@
         for c in self.linediffer.single_changes(scrollindex, self._get_texts()):
             assert c[0] != "equal"
             if self.prefs.ignore_blank_lines:
-                c1,c2 = self._consume_blank_lines( self._get_texts()[scrollindex][c[1]:c[2]] )
+                self._consume_blank_lines( self._get_texts()[scrollindex][c[1]:c[2]] )
             rect(context, ctab[c[0]], scale*c[1], scale*c[2])
 
     def _get_line_count(self, index):