docs/zh_CN: redirect stable-api-nonsense to Chinese version

It's time to redirect it to Chinese version.
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Harry Wei <harryxiyou@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Federico Vaga <federico.vaga@vaga.pv.it>
Cc: SeongJae Park <sj38.park@gmail.com>
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/translations/zh_CN/process/howto.rst

@@ -115,7 +115,7 @@ Linux内核代码中包含有大量的文档。这些文档对于学习如何与
 
         http://linux.yyz.us/patch-format.html
 
-  :ref:`Documentation/process/stable-api-nonsense.rst <stable_api_nonsense>`
+  :ref:`Documentation/translations/zh_CN/process/stable-api-nonsense.rst <cn_stable_api_nonsense>`
     论证内核为什么特意不包括稳定的内核内部API，也就是说不包括像这样的特
     性：