[PATCH] phases: fix missing import (issue 3707)

[André Sintzoff]

# HG changeset patch
# User André Sintzoff <andre.sintzoff at gmail.com>
# Date 1353619323 -3600
# Branch stable
# Node ID d8fe17b1b2d117ff903e14d3d89aa1bc51a739ab
# Parent  54cedee86e5126188b0dcfbd7015bcdca7f6c2e2
phases: fix missing import (issue 3707)

diff -r 54cedee86e51 -r d8fe17b1b2d1 mercurial/phases.py
--- a/mercurial/phases.py	Ven nov 16 15:39:12 2012 -0800
+++ b/mercurial/phases.py	Jeu nov 22 22:22:03 2012 +0100
@@ -103,7 +103,7 @@
 import errno
 from node import nullid, nullrev, bin, hex, short
 from i18n import _
-import util
+import util, error
 import obsolete
 
 allphases = public, draft, secret = range(3)