By Rey Danseco   CHACHOENGSAO, Thailand — Former WBC flyweight champion Pongsaklek Wonjongkam and Mexican Julio Cesar “Pingo” Miranda both easily made weight and promised to score a knockout in their scheduled WBC interim flyweight title bout here Friday afternoon.             Wonjongkam (71-3-1, 38 KOs) first took the scale and weighted exactly the limit, 50.802 [...]