/usr/share/doc/qt4-linguist-tools/LGPL_EXCEPTION.txt is in qt4-linguist-tools 4:4.8.1-0ubuntu4.9.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/qt4-linguist-tools/../libqtcore4/LGPL_EXCEPTION.txt