/usr/share/doc/libghc-x509-validation-prof/changelog.Debian.gz is in libghc-x509-validation-prof 1.6.3-1build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libghc-x509-validation-prof/../libghc-x509-validation-dev/changelog.Debian.gz