ports/128520: Update math/R to version 2.7.2

[rafan at FreeBSD.org]

Synopsis: Update math/R to version 2.7.2

Responsible-Changed-From-To: freebsd-ports-bugs->rafan
Responsible-Changed-By: rafan
Responsible-Changed-When: Mon Nov 3 06:24:29 UTC 2008
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=128520