ports/134969: [patch] lang/python-doc-html: Fix index build with python 2.6+

[pgollucci at FreeBSD.org]

Synopsis: [patch] lang/python-doc-html: Fix index build with python 2.6+

Responsible-Changed-From-To: python->freebsd-python
Responsible-Changed-By: pgollucci
Responsible-Changed-When: Mon Sep 6 17:47:26 UTC 2010
Responsible-Changed-Why: 
cannonicalize assignment

http://www.freebsd.org/cgi/query-pr.cgi?pr=134969