KVM: Replace C code with call to ARRAY_SIZE() macro.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 4d25549..a534e6f 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -1932,7 +1932,7 @@
 };
 
 static const int kvm_vmx_max_exit_handlers =
-	sizeof(kvm_vmx_exit_handlers) / sizeof(*kvm_vmx_exit_handlers);
+	ARRAY_SIZE(kvm_vmx_exit_handlers);
 
 /*
  * The guest has exited.  See if we can fix it or if we need userspace