/usr/share/doc/libgda-5.0-4-dbg is in libgda-5.0-4-dbg 5.2.4-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libgda-5.0-4
/usr/share/doc/libgda-5.0-4