more use of the "fd:#" code everywhere.
* lib/Qpsmtpd.pm
Default log method use '$self->fd()' instead of '$self->{fd}'.
Include a sub fd() method for inheritance purposes.
* lib/Qpsmtpd/PollServer.pm
Inherit log() from Qpsmtpd.pm (via SMTP.pm).
* lib/Qpsmtpd/Plugin.pm
Appropriate code allow plugins to inherit fd().
* plugins/dnsbl
Use log() instead of warn().
* plugins/logging/adaptive
plugins/logging/warn
Include the 'fd:#' to the log line if defined.
* qpsmtpd
Reorder things slightly so we can use log().
git-svn-id: https://svn.perl.org/qpsmtpd/trunk@589 958fd67b-6ff1-0310-b445-bb7760255be9
7cc114edd5