HADOOP-19370. Fix error links of huaweicloud in site index. (#7229). Contributed by fuchaohong.

Signed-off-by: He Xiaoqiao <hexiaoqiao@apache.org>

hadoop-project/src/site/site.xml

@@ -179,7 +179,7 @@
       <item name="Azure Data Lake Storage"
             href="hadoop-azure-datalake/index.html"/>
       <item name="Tencent COS" href="hadoop-cos/cloud-storage/index.html"/>
-      <item name="Huaweicloud OBS" href="hadoop-huaweicloud/cloud-storage/index.html"/>
+      <item name="Huaweicloud OBS" href="hadoop-huaweicloud/index.html"/>
     </menu>
 
     <menu name="Auth" inherit="top">