Fixed the demo project, `clearDisk` no longer exists
Fixed the demo project, `clearDisk` no longer exists

dreampiggy/SDWebImage,tualatrix/SDWebImage,Kekanto/SDWebImage,geoffmacd/SDWebImage,dreampiggy/SDWebImage,amyhametov/SDWebImage,zhang-yawei/SDWebImage,smule/SDWebImage,cochat/SDWebImage,Insfgg99x/SDWebImage,odyth/SDWebImage,klundberg/SDWebImage,awkward/SDWebImage,rs/SDWebImage,iosnatarajan/SDWebImage,buleSky111/SDWebImage,dpettigrew/SDWebImage,Frntbac/SDWebImage,awkward/SDWebImage,ruaho/SDWebImage,dreampiggy/SDWebImage,altrooz/SDWebImage,iheartradio/SDWebImage,awkward/SDWebImage