ports/165767: [maintainer patch] astro/merkaartor update to 0.18-dev in order to fix build with boost-1.49

[cs at FreeBSD.org]

Synopsis: [maintainer patch] astro/merkaartor update to 0.18-dev in order to fix build with boost-1.49

Responsible-Changed-From-To: freebsd-ports-bugs->cs
Responsible-Changed-By: cs
Responsible-Changed-When: Tue Mar 6 21:09:14 UTC 2012
Responsible-Changed-Why: 
I'll take it

http://www.freebsd.org/cgi/query-pr.cgi?pr=165767