Change some URLs from author dirs to dist dirs.
The example in the porter's handbook didn't have the trailing slash;
mea culpa for not having caught that when it went in.
function from the popular TCP Wrappers security package. This
allows validation of network access from perl programs against
the system-wide hosts.allow file.
WWW: http://search.cpan.org/dist/Authen-Libwrap
PR: ports/92855
Submitted by: Zach Thompson <hideo@lastamericanempire.com>
