ports/164687: www/firefox: build fails on check-sync-dirs.py - partial build fix

[Barbara]

The following reply was made to PR ports/164687; it has been noted by GNATS.

From: Barbara <barbara.xxx1975 at libero.it>
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: ports/164687: www/firefox: build fails on check-sync-dirs.py -
 partial build fix
Date: Wed, 1 Feb 2012 20:13:08 +0100 (CET)

 The attached patch went in the hyperspace.
 However I noticed that a similar fix has been committed yet.