From 8bb74a12d0e327a9fcf53310b2c07e2381330a89 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20Jos=C3=A9=20Pereira?= <patrickelectric@gmail.com>
Date: Thu, 2 Jul 2020 08:28:05 -0300
Subject: [PATCH] AP_Motors: Remove double underscore header guard
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The code now uses `#pragma once` and double underscore as a prefix
can result in undefined behaviour.
Ref: https://eel.is/c++draft/lex.name#3.1

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>
---
 libraries/AP_Motors/AP_MotorsHeli_Dual.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/libraries/AP_Motors/AP_MotorsHeli_Dual.h b/libraries/AP_Motors/AP_MotorsHeli_Dual.h
index 2959bb8866..ebc6914e76 100644
--- a/libraries/AP_Motors/AP_MotorsHeli_Dual.h
+++ b/libraries/AP_Motors/AP_MotorsHeli_Dual.h
@@ -2,8 +2,7 @@
 /// @brief  Motor control class for dual heli (tandem or transverse)
 /// @author Fredrik Hedberg
 
-#ifndef __AP_MOTORS_HELI_DUAL_H__
-#define __AP_MOTORS_HELI_DUAL_H__
+#pragma once
 
 #include <AP_Common/AP_Common.h>
 #include <AP_Math/AP_Math.h>
@@ -137,5 +136,3 @@ protected:
     // internal variables
     float           _collective2_mid_pct = 0.0f;      // collective mid parameter value for rear swashplate converted to 0 ~ 1 range
 };
-
-#endif  // AP_MotorsHeli_Dual