Rename 'CIndex' to 'libclang', since it has basically become our stable public
(C) API, and will likely grow further in this direction in the future.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102779 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index 64c3a21..ae33b78 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -1,3 +1,3 @@
-add_subdirectory(CIndex)
+add_subdirectory(libclang)
 add_subdirectory(c-index-test)
 add_subdirectory(driver)