mLocalMessageFactory = null_nsCOMPtr();
void nsMsgLocalModule::Shutdown(){    // Release the factory object    mMailboxUrlFactory = null_nsCOMPtr();    mPop3UrlFactory = null_nsCOMPtr();    mMailboxParserFactory = null_nsCOMPtr();    mMailboxServiceFactory = null_nsCOMPtr();    mPop3ServiceFactory = null_nsCOMPtr();    mNoneServiceFactory = null_nsCOMPtr();    mLocalMailFolderFactory = null_nsCOMPtr();    mLocalMessageFactory = null_nsCOMPtr();    mParseMailMsgStateFactory = null_nsCOMPtr();    mPop3IncomingServerFactory = null_nsCOMPtr();    mNoIncomingServerFactory = null_nsCOMPtr();    mLocalStringBundleFactory = null_nsCOMPtr();}