ref: 61db9b4fbe5ad66d0600bca8c39171c027ae2ecd
parent: c94cd3711877ba635b3b75c86dc9cd3ad8fc4c23
author: Sigrid Solveig Haflínudóttir <ftrvxmtrx@gmail.com>
date: Sun Jun 20 06:42:34 EDT 2021
sdl2: add KMOD_SHIFT, KMOD_CTRL, KMOD_ALT and KMOD_GUI