NS_RELEASE(m_newsDB);
nsNNTPNewsgroupList::CleanUp() {	PR_Free(m_url);	PR_Free(m_groupName);    	if (m_newsDB) {		m_newsDB->Commit(kSessionCommit);		m_newsDB->Close(PR_TRUE);	}	if (m_knownArts.set) {		delete m_knownArts.set;		m_knownArts.set = nsnull;	}        return NS_OK;}