fix accepting and unfriend a friend
fix accepting and unfriend a friend

CMPUT404-FireBreathingRubberDuckies/CMPUT404-project-socialdistribution,CMPUT404-FireBreathingRubberDuckies/CMPUT404-project-socialdistribution,CMPUT404-FireBreathingRubberDuckies/CMPUT404-project-socialdistribution