/usr/share/doc/libshout-ocaml-dev/changelog.Debian.gz is in libshout-ocaml-dev 0.2.7-1build8.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libshout-ocaml-dev/../libshout-ocaml/changelog.Debian.gz