if (--gRefCnt == 0) { nsServiceManager::ReleaseService(kRDFServiceCID, gRDFService); }
nsMdbTableEnumerator::~nsMdbTableEnumerator(){  if (mCurrent)    mCurrent->CutStrongRef(mEnv);  if (mCursor)    mCursor->CutStrongRef(mEnv);  if (mTable)    mTable->CutStrongRef(mEnv);  if (mEnv)    mEnv->CutStrongRef(mEnv);  if (--gRefCnt == 0) {    nsServiceManager::ReleaseService(kRDFServiceCID, gRDFService);  }}