[PATCH 2 of 6] mq: code simplification/beautification in updateheader

[Yann E. MORIN]

# HG changeset patch
# User "Yann E. MORIN" <yann.morin.1998 at anciens.enib.fr>
# Date 1249940354 -7200
# Node ID 2241e777298ae3e7b9cc84096229ae75a4d6c233
# Parent  2ba25ea4240e6c8916e35c4f09ba766b179efcdc
mq: code simplification/beautification in updateheader

Remove the not-so-usefull temporary variable, and return as soon
as we know the result.

diff --git a/hgext/mq.py b/hgext/mq.py
--- a/hgext/mq.py
+++ b/hgext/mq.py
@@ -160,14 +160,12 @@
     def updateheader(self, prefixes, new):
         '''Update all references to a field in the patch header.
         Return whether the field is present.'''
-        res = False
         for prefix in prefixes:
             for i in xrange(len(self.comments)):
                 if self.comments[i].startswith(prefix):
                     self.comments[i] = prefix + new
-                    res = True
-                    break
-        return res
+                    return True
+        return False
 
     def __str__(self):
         if not self.comments: