cmake: remove old-style endif condition
cmake: remove old-style endif condition

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