From 0332cde37480eb2a619d57ba1db8dfaa1e857400 Mon Sep 17 00:00:00 2001
From: Lucas De Marchi <lucas.demarchi@intel.com>
Date: Wed, 17 Feb 2016 23:25:46 -0200
Subject: [PATCH] AP_Relay: replace header guard with pragma once

---
 libraries/AP_Relay/AP_Relay.h | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/libraries/AP_Relay/AP_Relay.h b/libraries/AP_Relay/AP_Relay.h
index d74d8f0dd1..a03121da75 100644
--- a/libraries/AP_Relay/AP_Relay.h
+++ b/libraries/AP_Relay/AP_Relay.h
@@ -9,9 +9,7 @@
 
 /// @file	AP_Relay.h
 /// @brief	APM relay control class
-
-#ifndef __AP_RELAY_H__
-#define __AP_RELAY_H__
+#pragma once
 
 #include <AP_Param/AP_Param.h>
 
@@ -44,5 +42,3 @@ private:
     AP_Int8 _pin[AP_RELAY_NUM_RELAYS];
     AP_Int8 _default;
 };
-
-#endif /* AP_RELAY_H_ */