sysutils/tracker3: mark BROKEN after 3f32ccaefa18

FAILED: docs/manpages/tracker3-endpoint.1
/usr/local/bin/xsltproc --output docs/manpages/tracker3-endpoint.1 --stringparam man.authors.section.enabled 0 /usr/local/etc/asciidoc/docbook-xsl/manpage.xsl docs/manpages/tracker3-endpoint.1.xml
warning: failed to load external entity "/usr/local/etc/asciidoc/docbook-xsl/manpage.xsl"
cannot parse /usr/local/etc/asciidoc/docbook-xsl/manpage.xsl

Reported by: pkg-fallout