sendmail 8.16.1 patches

[manu%netbsd.org@localhost (Emmanuel Dreyfus)]

Hello

I had to run latest sendmail 8.16.1 to check for a bug, and that 
involved merging pkgsrc patches into the newer release.

Here is the work so that it does not get lost if someone want to review
it:
ftp://ftp.netbsd.org/pub/NetBSD/misc/manu/pkgsrc_mail_sendmail816.tar

-- 
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
manu%netbsd.org@localhost