atk: force installation in lib folder
atk: force installation in lib folder

This prevents meson to try to be too clever on centos
and install stuff in lib64. We do not support multilib builds
and everything should go into the lib folder.

Closes Linuxbrew/homebrew-core#7663.

Signed-off-by: Michka Popoff <7b0496f66f66ee22a38826c310c38b415671b832@gmail.com>

Linuxbrew/homebrew-core,rwhogg/homebrew-core,LinuxbrewTestBot/homebrew-core,Linuxbrew/homebrew-core,LinuxbrewTestBot/homebrew-core,maxim-belkin/homebrew-core,maxim-belkin/homebrew-core,rwhogg/homebrew-core