/usr/lib/guile-gnome-2/libgw-guile-gnome-libgnome.so.0 is in guile-gnome2-gnome 2.16.1-6ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/guile-gnome-2/libgw-guile-gnome-libgnome.so.0.0.0