sstable: fix load of new sstable
sstable: fix load of new sstable

Apparently, after writing a new sstable, with write_components(), it
is necessary to load() it. I'm not sure why, but we get a crash on
an aio to a closed file descriptor if we don't.

Signed-off-by: Nadav Har'El <625169824b719df98706d88646d0aae6f368ae4d@cloudius-systems.com>

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