Rosemarie Zanolli Waring, 45, of 113 Vermont Avenue, a packer for the Pepperidge Farm Co, Norwalk, died Tuesday evening in Bridgeport Hospital. Mrs. Waring was born in Bridgeport and had been a Fairfield resident 12 years.  Survivors include a daughter, Kristine Walsh of Fairfield; her parents, John and Angela Vitale Zanolli of Fairfield; two brothers;  John Zanolli of Stratford, and Donald Zanolli of Bridgeport; a sister, Katherine Lose of Stratford; and two grandchildren.