link atomic when use clang
link atomic when use clang

ktcunreal/azure-http-proxy,lxrite/azure-http-proxy,19000/azure-http-proxy,codejam1024/azure-http-proxy,lxrite/azure-http-proxy,tempbottle/azure-http-proxy,Silianbo/azure-http-proxy,XunChangqing/azure-http-proxy