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-rw-r--r--src/lib/formats/mm_dsk.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/lib/formats/mm_dsk.h b/src/lib/formats/mm_dsk.h
index 84b29ab259f..aec52093076 100644
--- a/src/lib/formats/mm_dsk.h
+++ b/src/lib/formats/mm_dsk.h
@@ -7,9 +7,10 @@
MikroMikko formats
*********************************************************************/
+#ifndef MAME_FORMATS_MM_DSK_H
+#define MAME_FORMATS_MM_DSK_H
-#ifndef MM_DSK_H_
-#define MM_DSK_H_
+#pragma once
#include "upd765_dsk.h"
@@ -40,4 +41,4 @@ private:
extern const floppy_format_type FLOPPY_MM1_FORMAT;
extern const floppy_format_type FLOPPY_MM2_FORMAT;
-#endif
+#endif // MAME_FORMATS_MM_DSK_H