ports/182682: www/chromium : fix build with clang and GNU ar

[edwin at FreeBSD.org]

Synopsis: www/chromium : fix build with clang and GNU ar

Responsible-Changed-From-To: freebsd-ports-bugs->freebsd-chromium
Responsible-Changed-By: edwin
Responsible-Changed-When: Sat Oct 5 12:20:09 UTC 2013
Responsible-Changed-Why: 
Over to maintainer (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=182682