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-rw-r--r--src/osd/osdsync.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/osd/osdsync.h b/src/osd/osdsync.h
index 71726a830cf..3a286b60afa 100644
--- a/src/osd/osdsync.h
+++ b/src/osd/osdsync.h
@@ -5,9 +5,10 @@
// osdsync.h - Core synchronization functions
//
//============================================================
+#ifndef MAME_OSD_OSDSYNC_H
+#define MAME_OSD_OSDSYNC_H
-#ifndef __OSDSYNC__
-#define __OSDSYNC__
+#pragma once
// C++ headers
#include <mutex>
@@ -163,4 +164,4 @@ private:
};
-#endif /* __OSDSYNC__ */
+#endif // MAME_OSD_OSDSYNC_H