ports/154564: Update of math/GiNaC port

[miwi at FreeBSD.org]

Synopsis: Update of math/GiNaC port

Responsible-Changed-From-To: freebsd-ports-bugs->miwi
Responsible-Changed-By: miwi
Responsible-Changed-When: Mon Feb 7 07:17:00 UTC 2011
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=154564