Add lib/Tooling to the Makefile build.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130581 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Makefile b/lib/Makefile
index bf357fc..eda7017 100755
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -9,7 +9,8 @@
 CLANG_LEVEL := ..
 
 PARALLEL_DIRS = Headers Basic Lex Parse AST Sema CodeGen Analysis \
-                StaticAnalyzer Rewrite Serialization Frontend FrontendTool Index Driver
+                StaticAnalyzer Rewrite Serialization Frontend FrontendTool \
+                Index Driver Tooling
 
 include $(CLANG_LEVEL)/Makefile