Index: kernel/arch/ppc32/include/arch.h
===================================================================
--- kernel/arch/ppc32/include/arch.h	(revision 32fffef00aa36a7913892cc0d7ff6eff828b2e7e)
+++ kernel/arch/ppc32/include/arch.h	(revision e5ecc02b4e8dc0f4c95588b0f1601d1986173b13)
@@ -33,6 +33,6 @@
  */
 
-#ifndef __ppc32_ARCH_H__
-#define __ppc32_ARCH_H__
+#ifndef KERN_ppc32_ARCH_H_
+#define KERN_ppc32_ARCH_H_
 
 #include <arch/drivers/cuda.h>