Fixes the donation link.
Fixes the donation link.

daixunry/MZTimerLabel,yunzhongyoulong/MZTimerLabel,BrianBatchelder/MZTimerLabel,niuxinghua/MZTimerLabel,fullstackclub/MZTimerLabel,sanghavan/MZTimerLabel,KBvsMJ/MZTimerLabel,1043426357/MZTimerLabel,tangwei6423471/MZTimerLabel,ListFranz/MZTimerLabel,yangjie6020/MZTimerLabel,iamyuiwong/MZTimerLabel,johnmyqin/MZTimerLabel,Papercloud/MZTimerLabel,mineschan/MZTimerLabel