Add schema::set_comment() member function
Add schema::set_comment() member function

Needed by the cf_prop_defs class to modify a schema object in the
apply_to_cf_metadata() function.

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

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