Fix file headers. NFC

llvm-svn: 355176
diff --git a/clang/lib/Driver/ToolChains/BareMetal.cpp b/clang/lib/Driver/ToolChains/BareMetal.cpp
index 9dbda69..1544727 100644
--- a/clang/lib/Driver/ToolChains/BareMetal.cpp
+++ b/clang/lib/Driver/ToolChains/BareMetal.cpp
@@ -1,4 +1,4 @@
-//===--- BaremMetal.cpp - Bare Metal ToolChain ------------------*- C++ -*-===//
+//===-- BareMetal.cpp - Bare Metal ToolChain --------------------*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.