/usr/lib/libkdgantt2.so.0 is in libkdgantt2-0 4:4.14.1-1+deb8u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libkdgantt2.so.0.1.0
/usr/lib/libkdgantt2.so.0.1.0