ATLANTA — Terry Henderson scored 21 points, Dennis Smith Jr. added 18 points and North Carolina State dealt a blow to Georgia Tech’s slim NCAA Tournament hopes with a 71-69 victory on Tuesday night. It was the second game for the Wolfpack (15-14, 4-12 Atlantic Coast Conference) since the school announced Mark Gottfried won’t return for a seventh season as coach. N.C. State snapped a seven-game losing streak.