ports/103417: [maintainer] mail/dkim-milter to run as a non-privileged user

[Hirohisa Yamaguchi]

Please close this one as I sent an patch updete to ports/103404,
which supersedes this pr.

 http://www.freebsd.org/cgi/query-pr.cgi?pr=ports/103404

-- 

	Hirohisa Yamaguchi
	  umq at ueo.co.jp