/usr/lib/x86_64-linux-gnu/libwx_gtk2u_html-2.8.so.0 is in libwxgtk2.8-0 2.8.12.1-6ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libwx_gtk2u_html-2.8.so.0.8.0
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_html-2.8.so.0.8.0