/usr/lib/x86_64-linux-gnu/libini_config.so is in libini-config-dev 0.6.0-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libini_config.so.5.2.0
/usr/lib/x86_64-linux-gnu/libini_config.so.5.2.0