ports/57774: update Mk/bsd.port.mk: set dev_acver=257

[Edwin Groothuis]

Synopsis: update Mk/bsd.port.mk: set dev_acver=257

Responsible-Changed-From-To: freebsd-ports-bugs->portmgr
Responsible-Changed-By: edwin
Responsible-Changed-When: Wed Oct 8 17:23:48 PDT 2003
Responsible-Changed-Why: 
Portmgr territory.

http://www.freebsd.org/cgi/query-pr.cgi?pr=57774