Update CMakeLists.txt
Update CMakeLists.txt

Co-authored-by: FUJI Goro <1c2771a82ff22560f41041c185ff8268f49a65f5@fastly.com>
cwyang/h2o,yannick/h2o,cwyang/h2o,yannick/h2o,yannick/h2o,devnexen/h2o,yannick/h2o,cwyang/h2o,h2o/h2o,h2o/h2o,cwyang/h2o,cwyang/h2o,devnexen/h2o,cwyang/h2o,h2o/h2o,devnexen/h2o,devnexen/h2o,cwyang/h2o,devnexen/h2o,h2o/h2o,devnexen/h2o,h2o/h2o,h2o/h2o,yannick/h2o,yannick/h2o,yannick/h2o,yannick/h2o,h2o/h2o,h2o/h2o,cwyang/h2o,devnexen/h2o,devnexen/h2o,devnexen/h2o,yannick/h2o,h2o/h2o