From 4ff85d8dccb5158e3edb73b2eb9b0d662ff0259a Mon Sep 17 00:00:00 2001
From: Craig Tiller <ctiller@google.com>
Date: Mon, 9 Oct 2017 19:26:01 -0700
Subject: [PATCH] Preprocessor guards

---
 src/core/lib/support/manual_constructor.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/lib/support/manual_constructor.h b/src/core/lib/support/manual_constructor.h
index be3dd4c1e32..d753cf98a0c 100644
--- a/src/core/lib/support/manual_constructor.h
+++ b/src/core/lib/support/manual_constructor.h
@@ -16,6 +16,9 @@
  *
  */
 
+#ifndef GRPC_CORE_LIB_SUPPORT_MANUAL_CONSTRUCTOR_H
+#define GRPC_CORE_LIB_SUPPORT_MANUAL_CONSTRUCTOR_H
+
 // manually construct a region of memory with some type
 
 #include <stddef.h>
@@ -69,3 +72,5 @@ class ManualConstructor {
 };
 
 }  // namespace grpc_core
+
+#endif