mtree_violation?

[markd at macports.org]

I had to add an mtree_violation statement for my logrotate port I I don't
understand why.  Here is the destroot phase.

destroot {
                xinstall -m 755 ${worksrcpath}/logrotate
${destroot}${prefix}/sbin
                xinstall -m 755 ${worksrcpath}/examples/logrotate-default
${destroot}${prefix}/etc/
                xinstall -d ${destroot}${prefix}/man/man8
                xinstall -m 755 ${worksrcpath}/logrotate.8
${destroot}${prefix}/man/man8
}

What is wrong with this?

Mark