[PATCH} 2.6.9-rc4-mm1 - clean up #if/#ifdef

[Valdis . Kletnieks]

Small cleanup to make code safe for compiling with -Wundef..

Signed-off-by: valdis.kletnieks@xxxxxx

--- linux-2.6.9-rc4-mm1/include/linux/kexec.h.Wundef	2004-10-12 11:53:53.000000000 -0400
+++ linux-2.6.9-rc4-mm1/include/linux/kexec.h	2004-10-12 12:53:34.458064221 -0400
@@ -1,7 +1,7 @@
 #ifndef LINUX_KEXEC_H
 #define LINUX_KEXEC_H
 
-#if CONFIG_KEXEC
+#ifdef CONFIG_KEXEC
 #include <linux/types.h>
 #include <linux/list.h>
 #include <asm/kexec.h>

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