discodb: check if ddb_finalize returns an error
discodb: check if ddb_finalize returns an error

mozilla/disco,discoproject/disco,beni55/disco,ktkt2009/disco,mozilla/disco,ErikDubbelboer/disco,seabirdzh/disco,simudream/disco,discoproject/disco,pombredanne/disco,discoproject/disco,seabirdzh/disco,pombredanne/disco,ktkt2009/disco,pavlobaron/disco_playground,beni55/disco,pooya/disco,mwilliams3/disco,seabirdzh/disco,ErikDubbelboer/disco,ErikDubbelboer/disco,ktkt2009/disco,discoproject/disco,mwilliams3/disco,ErikDubbelboer/disco,scrapinghub/disco,oldmantaiter/disco,mwilliams3/disco,seabirdzh/disco,pavlobaron/disco_playground,scrapinghub/disco,discoproject/disco,mozilla/disco,ErikDubbelboer/disco,pooya/disco,pombredanne/disco,oldmantaiter/disco,beni55/disco,pavlobaron/disco_playground,ktkt2009/disco,oldmantaiter/disco,pavlobaron/disco_playground,ktkt2009/disco,scrapinghub/disco,oldmantaiter/disco,mwilliams3/disco,beni55/disco,mozilla/disco,pombredanne/disco,scrapinghub/disco,simudream/disco,beni55/disco,simudream/disco,mwilliams3/disco,pombredanne/disco,pooya/disco,oldmantaiter/disco,pooya/disco,simudream/disco,seabirdzh/disco,simudream/disco