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-rw-r--r--src/mame/includes/madalien.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mame/includes/madalien.h b/src/mame/includes/madalien.h
index 293b9b5f254..e253ccd5ac0 100644
--- a/src/mame/includes/madalien.h
+++ b/src/mame/includes/madalien.h
@@ -7,6 +7,8 @@
Original driver by Norbert Kehrer (February 2004)
***************************************************************************/
+#ifndef MAME_INCLUDES_MADALIEN_H
+#define MAME_INCLUDES_MADALIEN_H
#include "machine/gen_latch.h"
#include "sound/discrete.h"
@@ -91,8 +93,10 @@ public:
/*----------- defined in audio/madalien.c -----------*/
-DISCRETE_SOUND_EXTERN( madalien );
+DISCRETE_SOUND_EXTERN( madalien_discrete );
/* Discrete Sound Input Nodes */
#define MADALIEN_8910_PORTA NODE_01
#define MADALIEN_8910_PORTB NODE_02
+
+#endif // MAME_INCLUDES_MADALIEN_H