/usr/lib/x86_64-linux-gnu/libswamigui.so is in libswami-dev 2.0.0+svn389-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libswamigui.so.0
/usr/lib/x86_64-linux-gnu/libswamigui.so.0