ports/150596: astro/xtide update to 2.11

[decke at FreeBSD.org]

Synopsis: astro/xtide update to 2.11

Responsible-Changed-From-To: freebsd-ports-bugs->decke
Responsible-Changed-By: decke
Responsible-Changed-When: Wed Sep 15 17:18:12 UTC 2010
Responsible-Changed-Why: 
I'll take it.

http://www.freebsd.org/cgi/query-pr.cgi?pr=150596