adjust abs before linking the timer (already done in `h2o_timer_link_abs`)
adjust abs before linking the timer (already done in `h2o_timer_link_abs`)

yannick/h2o,lkwg82/h2o,yannick/h2o,h2o/h2o,yannick/h2o,h2o/h2o,h2o/h2o,cwyang/h2o,lkwg82/h2o,lkwg82/h2o,lkwg82/h2o,deweerdt/h2o,deweerdt/h2o,h2o/h2o,deweerdt/h2o,yannick/h2o,deweerdt/h2o,cwyang/h2o,yannick/h2o,h2o/h2o,devnexen/h2o,deweerdt/h2o,deweerdt/h2o,cwyang/h2o,cwyang/h2o,yannick/h2o,deweerdt/h2o,h2o/h2o,devnexen/h2o,devnexen/h2o,lkwg82/h2o,yannick/h2o,devnexen/h2o,lkwg82/h2o,cwyang/h2o,devnexen/h2o,cwyang/h2o,devnexen/h2o,devnexen/h2o,cwyang/h2o,devnexen/h2o,yannick/h2o,h2o/h2o,cwyang/h2o,yannick/h2o,deweerdt/h2o,lkwg82/h2o,lkwg82/h2o,lkwg82/h2o,deweerdt/h2o,devnexen/h2o,h2o/h2o,h2o/h2o