ports/96777: fix handling of OPTIONS default values in bsd.port.mk

[Edwin Groothuis]

Synopsis: fix handling of OPTIONS default values in bsd.port.mk

Responsible-Changed-From-To: freebsd-ports-bugs->portmgr
Responsible-Changed-By: edwin
Responsible-Changed-When: Thu May 4 14:52:13 UTC 2006
Responsible-Changed-Why: 
bsd.port.mk is port manager territory

http://www.freebsd.org/cgi/query-pr.cgi?pr=96777