Shane Warne’s family has been “shattered” by the sudden death of the Australian cricket great, and his children are in “complete shock,” his long-time manager, James Erskine, said on Sunday. One of the finest bowlers of all time whose talent and personality transcended cricket, Warne died of a suspected heart attack at the age of 52 on Friday, a day after arriving on Thailand’s island of Koh Samui for a vacation. “The three children are in a complete shock,” Erskine told the Nine Network’s Today morning show on Sunday. “I spoke to them yesterday and … Jackson just said, ‘We expect him to walk …