/usr/lib/libecal-1.2.so is in libecal1.2-dev 3.2.3-0ubuntu6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libecal-1.2.so.10.2.2
/usr/lib/libecal-1.2.so.10.2.2