Update aosp/master Clang for rebase to r222490.

Change-Id: Ic557ac55e97fbf6ee08771c7b7c3594777b0aefd
diff --git a/lib/CodeGen/CGOpenCLRuntime.h b/lib/CodeGen/CGOpenCLRuntime.h
index 7b675c3..0c50b92 100644
--- a/lib/CodeGen/CGOpenCLRuntime.h
+++ b/lib/CodeGen/CGOpenCLRuntime.h
@@ -13,8 +13,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef CLANG_CODEGEN_OPENCLRUNTIME_H
-#define CLANG_CODEGEN_OPENCLRUNTIME_H
+#ifndef LLVM_CLANG_LIB_CODEGEN_CGOPENCLRUNTIME_H
+#define LLVM_CLANG_LIB_CODEGEN_CGOPENCLRUNTIME_H
 
 #include "clang/AST/Type.h"
 #include "llvm/IR/Type.h"