/usr/lib/x86_64-linux-gnu/libmigemo.so is in libmigemo-dev 1:1.2+gh0.20150404-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libmigemo.so.1.1.0
/usr/lib/x86_64-linux-gnu/libmigemo.so.1.1.0