terminator: update icon-cache post_install
terminator: update icon-cache post_install

Closes #116.

Signed-off-by: Dominyk Tiller <53e438f55903875d07efdd98a8aaf887e7208dd3@gmail.com>

BrewTestBot/homebrew-x11,princeofdarkness76/homebrew-x11,UniqMartin/homebrew-x11