Fix context_switch_unlock being optimized out
Fix context_switch_unlock being optimized out

Yoric/redox,redox-os/redox,jackpot51/redox,k0pernicus/redox,Yoric/redox,Ticki/redox,jackpot51/redox,Ticki/redox,Ticki/redox,jackpot51/redox,Yoric/redox,Stephen-Seo/redox