arch/sh: Fix wrong function prototype for native_cpu_disable

From: Peter Huewe <[email protected]>

This patch fixes the prototype of native_cpu_disable if CONFIG_HOTPLUG_CPU is not set, and thus fixes a build failure[1]

References:
[1] http://kisskb.ellerman.id.au/kisskb/buildresult/2536296/

---
KernelVersion: linux-next-20100429

 arch/sh/kernel/smp.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

index 86cd6f9..509b36b 100644
@@ -161,7 +161,7 @@ int __cpu_disable(void)
 	return 0;
 }
 #else /* ... !CONFIG_HOTPLUG_CPU */
-int native_cpu_disable(void)
+int native_cpu_disable(unsigned int cpu)
 {
 	return -ENOSYS;
 }

1.6.4.4

I've already applied Matt's patch for the same issue, thanks anyways!