[PATCH] machine_shutdown: Typo fix to actually allow specifying which cpu to reboot on

This appears to be a typo I introduced when cleaning
this code up earlier. Ooops.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c
index d473350..1049876 100644
--- a/arch/i386/kernel/reboot.c
+++ b/arch/i386/kernel/reboot.c
@@ -284,7 +284,7 @@
 	reboot_cpu_id = 0;
 
 	/* See if there has been given a command line override */
-	if ((reboot_cpu_id != -1) && (reboot_cpu < NR_CPUS) &&
+	if ((reboot_cpu != -1) && (reboot_cpu < NR_CPUS) &&
 		cpu_isset(reboot_cpu, cpu_online_map)) {
 		reboot_cpu_id = reboot_cpu;
 	}