Function dispose

fdbserver/KeyValueStoreSQLite.actor.cpp:1589–1589

class KeyValueStoreSQLite final : public IKeyValueStore {
public:
	void dispose() override { doClose(this, true); }
	void close() override { doClose(this, false); }

	Future<Void> getError() const override { return delayed(readThreads->getError() || writeThread->getError()); }