`conf.startup_sync_barrier` is no longer used before `h2o_barrier_init`
`conf.startup_sync_barrier` is no longer used before `h2o_barrier_init`

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