/usr/share/myspell/dicts/ga_IE.aff is in myspell-ga 2.0-23.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/myspell/dicts/../../hunspell/ga_IE.aff
/usr/share/myspell/dicts/../../hunspell/ga_IE.aff