ports/138788: Update port: security/py-keyring Upgrade to 0.2

[yzlin at FreeBSD.org]

Synopsis: Update port: security/py-keyring Upgrade to 0.2

Responsible-Changed-From-To: freebsd-python->yzlin
Responsible-Changed-By: yzlin
Responsible-Changed-When: Fri Sep 18 01:56:51 UTC 2009
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=138788