ACPI / numa: Fix acpi_get_node() prototype

acpi_get_node() takes an acpi_handle, not an "acpi_handle *".  This
fixes the prototype and the definitions.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 9e6816e..dab7dac 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -331,7 +331,7 @@
 	return -1;
 }
 
-int acpi_get_node(acpi_handle *handle)
+int acpi_get_node(acpi_handle handle)
 {
 	int pxm, node = NUMA_NO_NODE;