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Diffstat (limited to 'src/emu/sound/astrocde.h')
-rw-r--r--src/emu/sound/astrocde.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/emu/sound/astrocde.h b/src/emu/sound/astrocde.h
index cfefc75f9d6..0b24e2d49f1 100644
--- a/src/emu/sound/astrocde.h
+++ b/src/emu/sound/astrocde.h
@@ -1,8 +1,9 @@
+#pragma once
-#ifndef ASTROCADE_H
-#define ASTROCADE_H
+#ifndef __ASTROCDE_H__
+#define __ASTROCDE_H__
WRITE8_HANDLER( astrocade_sound1_w );
WRITE8_HANDLER( astrocade_sound2_w );
-#endif
+#endif /* __ASTROCDE_H__ */