Update README.md (justjavac#824)

Author: kungkao

README.md

@@ -505,7 +505,7 @@
 * [MyBatis Generator 中文文档](http://mbg.cndocs.tk/)
 * [用jersey构建REST服务](https://github.com/waylau/RestDemo)
 * [Activiti 5.x 用户指南](https://github.com/waylau/activiti-5.x-user-guide)
-* [Google Java编程风格指南](http://www.hawstein.com/posts/google-java-style.html)
+* [Google Java编程风格指南](https://hawstein.com/2014/01/20/google-java-style/)
 * [Netty 4.x 用户指南](https://github.com/waylau/netty-4-user-guide)
 * [Netty 实战(精髓)](https://github.com/waylau/essential-netty-in-action)
 * [REST 实战](https://github.com/waylau/rest-in-action)