Define LIBSQLITE3 and LIBMANDOC


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274894 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Add the demandoc utility from the mandoc project

This is a modern version of the deroff utility, useful for example to do
spellchecking on manpages


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274895 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f