Seems like mini-httpd is fairly rude in diverting /usr/bin/htpasswd, when it is not in fact a drop in replacement for it. This should definitely be a Conflicts: apache2-utils.
Anyway, FYI, here is the Ubuntu bug: https://bugs.launchpad.net/debian/+source/mini-httpd/+bug/943088 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org