/usr/share/doc/libxinerama-dev/changelog.Debian.gz is in libxinerama-dev 2:1.1.3-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libxinerama-dev/../libxinerama1/changelog.Debian.gz
/usr/share/doc/libxinerama-dev/../libxinerama1/changelog.Debian.gz