m68k: Restore correct include guards for <asm/unaligned.h>

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>

arch/m68k/include/asm/unaligned.h

-#ifndef _ASM_M68KNOMMU_UNALIGNED_H
-#define _ASM_M68KNOMMU_UNALIGNED_H
+#ifndef _ASM_M68K_UNALIGNED_H
+#define _ASM_M68K_UNALIGNED_H
 
 
 #ifdef CONFIG_COLDFIRE
@@ -22,4 +22,4 @@
 
 #endif
 
-#endif /* _ASM_M68KNOMMU_UNALIGNED_H */
+#endif /* _ASM_M68K_UNALIGNED_H */