Providing his third game-winning goal in as many games for Philadelphia, Claude Giroux put home his 16th goal of the season just past the midway point of overtime to hand the Flyers a 5-4 win in Buffalo to cap a rousing contest Wednesday. He also had three assists on the night for a four-point game as Matt Read, Scott Hartnell, and Jaromir Jagr all scored in the second period to turn a Flyers’ 3-1 deficit into a 4-3 lead heading into the third. Ilya Bryzgalov made 20 saves on 24 Sabres’ shots as Ville Leino scored the game’s opening goal in Buffalo’s fourth straight loss …