Update from version 2.192nb1 to 2.194.

Upstream changes:

2.194    2009-01-02
          ** PLEASE CONSIDER USING EMAIL-SENDER INSTEAD **

          attempt to fix "smtp client never sends QUIT"

2.193    2008-12-19
          ** PLEASE CONSIDER USING EMAIL-SENDER INSTEAD **

          long-overdue application of patch from RUZ to correct error from
          Sendmail mailer (thanks, RUZ!)

(he)