port maintainers not in contrib.additional.sgml

[Mike Patterson]

Pav Lucistnik wrote:

> Rather than maintainer field you should pursue Whom: from port Makefiles
> headers.

Not that it really matters to me, but if somebody contributes a port and 
then drops it, and somebody else takes it over, why should that somebody 
else not get credit for that, if credit is to be assigned?  Maintaining 
is just as important as the original submission, no?

Mike