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-rw-r--r--cpukit/libmisc/devnull/devnull.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/cpukit/libmisc/devnull/devnull.h b/cpukit/libmisc/devnull/devnull.h
index 6fdf3b6850..4fe90cde6c 100644
--- a/cpukit/libmisc/devnull/devnull.h
+++ b/cpukit/libmisc/devnull/devnull.h
@@ -14,8 +14,10 @@
* $Id$
*/
-#ifndef __NULL_DRIVER_h
-#define __NULL_DRIVER_h
+#ifndef _RTEMS_DEVNULL_H
+#define _RTEMS_DEVNULL_H
+
+#include <rtems/io.h> /* rtems_device_driver */
#ifdef __cplusplus
extern "C" {