PR_UnloadLibrary(mGConfLib);
GConfProxy::~GConfProxy(){    mInitialized = PR_FALSE;    if (mGConfLib) {        PR_UnloadLibrary(mGConfLib);        mGConfLib = nsnull;    }    if (mObservers) {        (void)mObservers->EnumerateForwards(gconfDeleteObserver, nsnull);        delete mObservers;        mObservers = nsnull;    }}