Namedb leak
Fixes the possible leak of not closing the DB environment.
Note: There's a race condition on the 'if' - threads may avoid closing the env anyway. To fix that we'd need to introduce locks to namedb.
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Fixes the possible leak of not closing the DB environment.
Note: There's a race condition on the 'if' - threads may avoid closing the env anyway. To fix that we'd need to introduce locks to namedb.