db/commitlog: Use 'pragma once' in commitlog.hh
db/commitlog: Use 'pragma once' in commitlog.hh

Signed-off-by: Pekka Enberg <add4fcd06328a394f0ad91feda7ee057316dc5ed@cloudius-systems.com>

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