[Libguestfs] hivex: pod2html complaints

Whilst building hivex I'm seeing warnings/errors for the documentation: pod2html complaints: /usr/bin/pod2html: sh/hivexsh.pod: unknown pod directive 'encoding' in paragraph 1. ignoring. /usr/bin/pod2html: sh/hivexsh.pod: cannot resolve L<hivex(3)> in paragraph 8. /usr/bin/pod2html: sh/hivexsh.pod: cannot resolve L<virt-cat(1)> in paragraph 8. /usr/bin/pod2html: sh/hivexsh.pod: cannot resolve L<guestfish(1)> in paragraph 8. /usr/bin/pod2html: sh/hivexsh.pod: cannot resolve L<hivex(3)/WRITING TO HIVE FILES> in paragraph 22. /usr/bin/pod2html: sh/hivexsh.pod: cannot resolve L<hivex(3)> in paragraph 73. /usr/bin/pod2html: sh/hivexsh.pod: cannot resolve L<hivexget(1)> in paragraph 73. /usr/bin/pod2html: sh/hivexsh.pod: cannot resolve L<hivexml(1)> in paragraph 73. /usr/bin/pod2html: sh/hivexsh.pod: cannot resolve L<virt-win-reg(1)> in paragraph 73. /usr/bin/pod2html: sh/hivexsh.pod: cannot resolve L<guestfs(3)> in paragraph 73. /usr/bin/pod2html: sh/hivexsh.pod: cannot resolve L<virt-cat(1)> in paragraph 73. /usr/bin/pod2html: sh/hivexsh.pod: cannot resolve L<virt-edit(1)> in paragraph 73.