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-rw-r--r--src/mame/machine/igs022.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/mame/machine/igs022.h b/src/mame/machine/igs022.h
index 0460b1586d6..69c36bc9199 100644
--- a/src/mame/machine/igs022.h
+++ b/src/mame/machine/igs022.h
@@ -4,6 +4,8 @@
#ifndef MAME_MACHINE_IGS022_H
#define MAME_MACHINE_IGS022_H
+#pragma once
+
class igs022_device : public device_t
{
@@ -25,6 +27,6 @@ protected:
};
-extern const device_type IGS022;
+DECLARE_DEVICE_TYPE(IGS022, igs022_device)
#endif // MAME_MACHINE_IGS022_H