There was something about Christine McVie that evoked the character Miss Havisham in Charles Dickens’s novel Great Expectations: the jilted bride in her disintegrating wedding dress before a feast no one came to eat. Alone in her red-brick Kentish manor house in its sprawling 19 acres after quitting Fleetwood Mac in 1990, she would swirl from room to empty room, pour another drink and sit…