docs: fix Sphinx toctree warning.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170813 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-21 00:16:58 +00:00 · 2012-12-21 00:16:58 +00:00 · 72958b3b94
--- a/docs/index.rst
+++ b/docs/index.rst
@ -31,6 +31,7 @@ progress. This page will get filled out with docs soon...
   AutomaticReferenceCounting
   InternalsManual
   DriverInternals
+   BlockLanguageSpec

 Indices and tables
 ==================