let this work with system Python 2.5

diff --git a/Tools/hg/hgtouch.py b/Tools/hg/hgtouch.py
index 5961a10ad02ac2e19bc07751d84942f8ab584f7b..04716917680b16f8c2a17fddc0f7b0183fdc8b98 100644 (file)
--- a/Tools/hg/hgtouch.py
+++ b/Tools/hg/hgtouch.py
@@ -7,6 +7,7 @@ syntax of make rules.
 
 In addition to the dependency syntax, #-comments are supported.
 """
+from __future__ import with_statement
 import errno
 import os