/usr/share/doc/libcgsi-gsoap-dev/changelog.Debian.gz is in libcgsi-gsoap-dev 1.3.5-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libcgsi-gsoap-dev/../libcgsi-gsoap1/changelog.Debian.gz