Implement new DiagnosticsRenderer that packages notes retrieved by clang_getDiagnosticSetFromTU() as
child diagnostics of primary diagnostics.  By using the DiagnosticRenderer, these Diagnostics now
match with those generated for serialized diagnostics.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150456 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndexDiagnostic.h b/tools/libclang/CIndexDiagnostic.h
index 72f57f8..3066998 100644
--- a/tools/libclang/CIndexDiagnostic.h
+++ b/tools/libclang/CIndexDiagnostic.h
@@ -54,7 +54,8 @@
 
 class CXDiagnosticImpl {
 public:
-  enum Kind { StoredDiagnosticKind, LoadedDiagnosticKind };
+  enum Kind { StoredDiagnosticKind, LoadedDiagnosticKind,
+              CustomNoteDiagnosticKind };
   
   virtual ~CXDiagnosticImpl();