Make script work with 2.5.
diff --git a/PCbuild/build_ssl.py b/PCbuild/build_ssl.py
index f613836..7fbacaf 100644
--- a/PCbuild/build_ssl.py
+++ b/PCbuild/build_ssl.py
@@ -1,3 +1,4 @@
+from __future__ import with_statement
 # Script for building the _ssl and _hashlib modules for Windows.
 # Uses Perl to setup the OpenSSL environment correctly
 # and build OpenSSL, then invokes a simple nmake session