ports/150867: games/atanks: update to 4.7

[makc at FreeBSD.org]

Synopsis: games/atanks: update to 4.7

Responsible-Changed-From-To: freebsd-ports-bugs->makc
Responsible-Changed-By: makc
Responsible-Changed-When: Fri Sep 24 19:45:14 UTC 2010
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=150867