mChildren = (nsVoidArray)0;
nsHistoryEntry::nsHistoryEntry(){   mChildCount = 0;   mWS  = nsnull;   mHistoryList = nsnull;   mParent = nsnull;   mURL = nsnull;   mName = nsnull;   mChildren = (nsVoidArray)0;//  NS_INIT_REFCNT();}