--- Net2/vm/vm_object.h	2018/04/24 18:03:57	1.1.1.1
+++ Net2/vm/vm_object.h	2018/04/24 18:15:10	1.1.1.2
@@ -33,7 +33,8 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	@(#)vm_object.h	7.3 (Berkeley) 4/21/91
+ *	from: @(#)vm_object.h	7.3 (Berkeley) 4/21/91
+ *	vm_object.h,v 1.3 1993/05/20 03:59:36 cgd Exp
  *
  *
  * Copyright (c) 1987, 1990 Carnegie-Mellon University.
@@ -62,13 +63,13 @@
  * rights to redistribute these changes.
  */
 
+#ifndef _VM_VM_OBJECT_H_
+#define _VM_VM_OBJECT_H_
+
 /*
  *	Virtual memory object module definitions.
  */
 
-#ifndef	_VM_OBJECT_
-#define	_VM_OBJECT_
-
 #include <vm/vm_pager.h>
 
 /*
@@ -168,4 +169,4 @@ void		vm_object_print();
 					thread_sleep((event), &(object)->Lock, (interruptible))
 #endif	VM_OBJECT_DEBUG
 
-#endif	_VM_OBJECT_
+#endif /* !_VM_VM_OBJECT_H_ */