Fix another -Wunused-result
Fix another -Wunused-result

4e554c4c/sway,taiyu-len/sway,taiyu-len/sway,johalun/sway,ascent12/sway,SirCmpwn/sway,4e554c4c/sway,1ace/sway,mikkeloscar/sway,1ace/sway,ascent12/sway,sleep-walker/sway,crondog/sway,taiyu-len/sway,1ace/sway,mikkeloscar/sway,ptMuta/sway,crondog/sway,sleep-walker/sway,ascent12/sway