/usr/lib/pd/extra/wiimote/LICENSE.txt is in pd-wiimote 0.3.2-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/pd/extra/wiimote/../../../../share/common-licenses/GPL-2
/usr/lib/pd/extra/wiimote/../../../../share/common-licenses/GPL-2