database: changing the signature of get_config
database: changing the signature of get_config

get_config returns a const reference to the configuration object inside
the database object because it returns a const referent it could be
const. This is helpful when the call is made from a const reference to the
database.

Signed-off-by: Amnon Heiman <ed5fc74c4692051ad0b19749fd7cea6ec2d74b9e@cloudius-systems.com>

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