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-rw-r--r--src/mame/includes/norautp.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/src/mame/includes/norautp.h b/src/mame/includes/norautp.h
index 8e78ffc0548..55ddb2cef2a 100644
--- a/src/mame/includes/norautp.h
+++ b/src/mame/includes/norautp.h
@@ -1,5 +1,10 @@
// license:BSD-3-Clause
// copyright-holders:Angelo Salese, Roberto Fresca
+#ifndef MAME_INCLUDES_NORAUTP_H
+#define MAME_INCLUDES_NORAUTP_H
+
+#pragma once
+
#include "machine/i8255.h"
#include "sound/discrete.h"
#include "screen.h"
@@ -73,6 +78,8 @@ public:
};
/*----------- defined in audio/norautp.c -----------*/
-DISCRETE_SOUND_EXTERN( norautp );
-DISCRETE_SOUND_EXTERN( dphl );
-DISCRETE_SOUND_EXTERN( kimble );
+DISCRETE_SOUND_EXTERN( norautp_discrete );
+DISCRETE_SOUND_EXTERN( dphl_discrete );
+DISCRETE_SOUND_EXTERN( kimble_discrete );
+
+#endif // MAME_INCLUDES_NORAUTP_H