ports/175707: [MAINTAINER] misc/gonvert: update to 0.2.31

[danfe at FreeBSD.org]

Synopsis: [MAINTAINER] misc/gonvert: update to 0.2.31

State-Changed-From-To: open->closed
State-Changed-By: danfe
State-Changed-When: Thu Jan 31 07:57:08 UTC 2013
State-Changed-Why: 
Committed, thanks!

http://www.freebsd.org/cgi/query-pr.cgi?pr=175707