use `h2o_vector_reserve`
use `h2o_vector_reserve`

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