ports/173731: [bsd.ports.mk] Doesn't clean dependency directory if not installed or call reinstall; results in build failure later

[arved at FreeBSD.org]

Synopsis: [bsd.ports.mk] Doesn't clean dependency directory if not installed or call reinstall; results in build failure later

Responsible-Changed-From-To: freebsd-ports-bugs->portmgr
Responsible-Changed-By: arved
Responsible-Changed-When: Wed Nov 21 17:16:50 UTC 2012
Responsible-Changed-Why: 
bsd.port.mk is maintained by portmgr

We need a patch..

http://www.freebsd.org/cgi/query-pr.cgi?pr=173731