ArduCopter: replace header guard with pragma once

ArduCopter/Copter.h

@@ -1,7 +1,5 @@
 /// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
-
-#ifndef _COPTER_H
-#define _COPTER_H
+#pragma once
 
 #define THISFIRMWARE "APM:Copter V3.4-dev"
 #define FIRMWARE_VERSION 3,4,0,FIRMWARE_VERSION_TYPE_DEV
@@ -1068,5 +1066,3 @@ extern Copter copter;
 
 using AP_HAL::millis;
 using AP_HAL::micros;
-
-#endif // _COPTER_H_

ArduCopter/Parameters.h

@@ -1,7 +1,5 @@
 // -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
-
-#ifndef PARAMETERS_H
-#define PARAMETERS_H
+#pragma once
 
 #include <AP_Common/AP_Common.h>
 
@@ -589,6 +587,3 @@ public:
 };
 
 extern const AP_Param::Info        var_info[];
-
-#endif // PARAMETERS_H
-

ArduCopter/config.h

@@ -1,7 +1,7 @@
 // -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 //
-#ifndef __ARDUCOPTER_CONFIG_H__
-#define __ARDUCOPTER_CONFIG_H__
+#pragma once
+
 //////////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////////
 //
@@ -769,5 +769,3 @@
 #else
 #define FIRMWARE_STRING THISFIRMWARE " (" GIT_VERSION ")"
 #endif
-
-#endif // __ARDUCOPTER_CONFIG_H__

ArduCopter/defines.h

@@ -1,7 +1,5 @@
 // -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
-
-#ifndef _DEFINES_H
-#define _DEFINES_H
+#pragma once
 
 #include <AP_HAL/AP_HAL_Boards.h>
 
@@ -436,5 +434,3 @@ enum ThrowModeState {
 // for PILOT_THR_BHV parameter
 #define THR_BEHAVE_FEEDBACK_FROM_MID_STICK (1<<0)
 #define THR_BEHAVE_HIGH_THROTTLE_CANCELS_LAND (1<<1)
-
-#endif // _DEFINES_H