[PATCH] dagutil: fix missing import of i18n._

[Wagner Bruna]

# HG changeset patch
# User Wagner Bruna <wbruna at softwareexpress.com.br>
# Date 1308168246 10800
# Node ID 25d1284bc439048af45837fa47e83d396885f51d
# Parent  234b9795d74e155c3d066f06167bf32ab7ceabcd
dagutil: fix missing import of i18n._

diff --git a/mercurial/dagutil.py b/mercurial/dagutil.py
--- a/mercurial/dagutil.py
+++ b/mercurial/dagutil.py
@@ -7,6 +7,7 @@
 # GNU General Public License version 2 or any later version.
 
 from node import nullrev
+from i18n import _
 
 
 class basedag(object):