Added protocol confromance to localDelegate parameter in method signature.
Added protocol confromance to localDelegate parameter in method signature.

0359xiaodong/MMProgressHUD-Fork,mutualmobile/MMProgressHUD,wangmy/MMProgressHUD,smallLabel/MMProgressHUD,wangmy/MMProgressHUD,smallLabel/MMProgressHUD,mutualmobile/MMProgressHUD,smallLabel/MMProgressHUD,mutualmobile/MMProgressHUD,0359xiaodong/MMProgressHUD-Fork,wangmy/MMProgressHUD