AP_Relay: replace header guard with pragma once

9 years ago · 0332cde374
1 changed files with 1 additions and 5 deletions
--- a/libraries/AP_Relay/AP_Relay.h
+++ b/libraries/AP_Relay/AP_Relay.h
@ -9,9 +9,7 @@
				@@ -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:
				@@ -44,5 +42,3 @@ private:
    AP_Int8 _pin[AP_RELAY_NUM_RELAYS];
    AP_Int8 _default;
 };
-
-#endif /* AP_RELAY_H_ */