const PRUnichar* u = aResult.GetUnicode();
const PRUnichar* u = aResult.get();
NS_IMETHODIMP nsHankakuToZenkaku::Change( nsString& aText, nsString& aResult){   aResult = aText;   const PRUnichar* u = aResult.GetUnicode();   PRUnichar* ou = (PRUnichar*) u;   PRInt32 l = aResult.Length();   PRInt32 ol;      HankakuToZenkaku ( u, l, ou, l, &ol);   aResult.SetLength(ol);   return NS_OK;}