Rename DiagnosticInfo to Diagnostic as per issue 5397


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140493 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/TextDiagnosticBuffer.cpp b/lib/Frontend/TextDiagnosticBuffer.cpp
index 75ecaaf..cef46a2 100644
--- a/lib/Frontend/TextDiagnosticBuffer.cpp
+++ b/lib/Frontend/TextDiagnosticBuffer.cpp
@@ -20,7 +20,7 @@
 /// reported.
 ///
 void TextDiagnosticBuffer::HandleDiagnostic(DiagnosticsEngine::Level Level,
-                                            const DiagnosticInfo &Info) {
+                                            const Diagnostic &Info) {
   // Default implementation (Warnings/errors count).
   DiagnosticConsumer::HandleDiagnostic(Level, Info);