ACPI: Add include to provide PREFIX (Adrian Bunk)

drivers/acpi/numa.c

@@ -29,6 +29,7 @@
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/acpi.h>
+#include "acpi_bus.h"
 
 extern int __init acpi_table_parse_madt_family (enum acpi_table_id id, unsigned long madt_size, int entry_id, acpi_madt_entry_handler handler);