BUONA SERA MRS CAMPBELL: Gina Lollabrigida is making a small fortune off support checks from three fliers she loved during WWII (Phil Silvers Telly Savalas and Peter Lawford) each of whom thinks he's the father of her daughter!      FORTUNE COOKIE:  In their first screen pairing Walter Matthau and Jack Lemmon portray a shyster lawyer and a cameraman in this madcap tale of greed and recouping lost love.