修复CGPath的leaks
修复CGPath的leaks

littledogboy/KYAnimatedPageControl,tangwei6423471/KYAnimatedPageControl,mtxs007/KYAnimatedPageControl,zuoguoqing/KYAnimatedPageControl,zuoguoqing/KYAnimatedPageControl,onetot/KYAnimatedPageControl,littledogboy/KYAnimatedPageControl,onetot/KYAnimatedPageControl,littledogboy/KYAnimatedPageControl,onetot/KYAnimatedPageControl,lilidan/KYAnimatedPageControl,lilidan/KYAnimatedPageControl,tangwei6423471/KYAnimatedPageControl,jiakai-lian/KYAnimatedPageControl,jiakai-lian/KYAnimatedPageControl,andyleeyong/KYAnimatedPageControl,zuoguoqing/KYAnimatedPageControl,tangwei6423471/KYAnimatedPageControl,KittenYang/KYAnimatedPageControl,lilidan/KYAnimatedPageControl,jiakai-lian/KYAnimatedPageControl,mxxiv/KYAnimatedPageControl