$NetBSD$

--- scrc-2.1/src/bit/bit.in.h~	2006-09-29 02:47:30.000000000 +0900
+++ src/bit/bit.in.h	2010-04-17 01:08:58.000000000 +0900
@@ -12,8 +12,8 @@
 //
 // ----------------------------------------------------------------------------
 
-#ifndef __BIT
-#define __BIT
+#ifndef __BIT_H
+#define __BIT_H
 
 #include <sys/bit.h>
 
