/usr/lib/libgoocanvasmm-2.0.so is in libgoocanvasmm-2.0-dev 1.90.11-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libgoocanvasmm-2.0.so.6.0.0
/usr/lib/libgoocanvasmm-2.0.so.6.0.0