/usr/share/doc/libpcl-kdtree1.7/changelog.gz is in libpcl-kdtree1.7 1.7.2-7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libpcl-kdtree1.7/../libpcl-common1.7/changelog.gz
/usr/share/doc/libpcl-kdtree1.7/../libpcl-common1.7/changelog.gz