Sphinxify the CommandLine document.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161479 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/programming.rst b/docs/programming.rst
index add923f..27e4301 100644
--- a/docs/programming.rst
+++ b/docs/programming.rst
@@ -7,6 +7,7 @@
    :hidden:
 
    CodingStandards
+   CommandLine
 
 * `LLVM Language Reference Manual <LangRef.html>`_
 
@@ -18,7 +19,7 @@
   Introduction to the general layout of the LLVM sourcebase, important classes
   and APIs, and some tips & tricks.
 
-* `CommandLine library Reference Manual <CommandLine.html>`_
+* :ref:`commandline`
 
   Provides information on using the command line parsing library.