Update Alibaba Java Guideline's URL

Author: lioncruise

docs/java/Java编程规范.md

@@ -2,7 +2,7 @@
 
 ### 团队
 
-- **阿里巴巴Java开发手册（详尽版）** <https://github.com/alibaba/p3c/blob/master/阿里巴巴Java开发手册（详尽版）.pdf>
+- **阿里巴巴Java开发手册（详尽版）** <https://github.com/alibaba/p3c/blob/master/阿里巴巴Java开发手册（华山版）.pdf>
 - **Google Java编程风格指南：** <http://hawstein.com/2014/01/20/google-java-style/>
 
 ### 个人