Fix missing c++ mode comment

diff --git a/llvm/include/llvm/LTO/Config.h b/llvm/include/llvm/LTO/Config.h
index 0a3e523..a305778 100644 (file)
--- a/llvm/include/llvm/LTO/Config.h
+++ b/llvm/include/llvm/LTO/Config.h
@@ -1,4 +1,4 @@
-//===-Config.h - LLVM Link Time Optimizer Configuration -------------------===//
+//===-Config.h - LLVM Link Time Optimizer Configuration ---------*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.