git: ignore the h2olog binary
git: ignore the h2olog binary

cwyang/h2o,devnexen/h2o,yannick/h2o,h2o/h2o,yannick/h2o,h2o/h2o,h2o/h2o,h2o/h2o,devnexen/h2o,cwyang/h2o,devnexen/h2o,cwyang/h2o,devnexen/h2o,yannick/h2o,yannick/h2o,yannick/h2o,yannick/h2o,cwyang/h2o,yannick/h2o,yannick/h2o,h2o/h2o,h2o/h2o,devnexen/h2o,cwyang/h2o,devnexen/h2o,cwyang/h2o,yannick/h2o,h2o/h2o,devnexen/h2o,cwyang/h2o,h2o/h2o,devnexen/h2o,devnexen/h2o,cwyang/h2o,h2o/h2o