commitlog: fix using wrong segment
commitlog: fix using wrong segment

Commit log segment "finish_and_get_new" should not call "new_segment"
explicitly, since more than one invocation might get there on the same
flush condition (segment full).

Signed-off-by: Calle Wilund <8f9f97eb45ed102f8faf72e01bebf7b2c1679978@cloudius-systems.com>

eklitzke/scylla,dwdm/scylla,senseb/scylla,wildinto/scylla,aruanruan/scylla,eklitzke/scylla,glommer/scylla,justintung/scylla,capturePointer/scylla,avikivity/scylla,stamhe/scylla,rluta/scylla,duarten/scylla,dwdm/scylla,glommer/scylla,asias/scylla,tempbottle/scylla,senseb/scylla,bowlofstew/scylla,acbellini/scylla,linearregression/scylla,scylladb/scylla,tempbottle/scylla,tempbottle/scylla,glommer/scylla,avikivity/scylla,wildinto/scylla,rentongzhang/scylla,kjniemi/scylla,dwdm/scylla,avikivity/scylla,kjniemi/scylla,stamhe/scylla,guiquanz/scylla,aruanruan/scylla,rentongzhang/scylla,respu/scylla,raphaelsc/scylla,acbellini/scylla,scylladb/scylla,bowlofstew/scylla,linearregression/scylla,stamhe/scylla,eklitzke/scylla,kjniemi/scylla,kangkot/scylla,kangkot/scylla,justintung/scylla,respu/scylla,guiquanz/scylla,victorbriz/scylla,scylladb/scylla,gwicke/scylla,raphaelsc/scylla,wildinto/scylla,rentongzhang/scylla,raphaelsc/scylla,asias/scylla,duarten/scylla,aruanruan/scylla,guiquanz/scylla,scylladb/scylla,justintung/scylla,capturePointer/scylla,shaunstanislaus/scylla,capturePointer/scylla,victorbriz/scylla,shaunstanislaus/scylla,rluta/scylla,gwicke/scylla,victorbriz/scylla,phonkee/scylla,senseb/scylla,bowlofstew/scylla,rluta/scylla,respu/scylla,gwicke/scylla,kangkot/scylla,shaunstanislaus/scylla,linearregression/scylla,duarten/scylla,acbellini/scylla,asias/scylla,phonkee/scylla,phonkee/scylla