[PATCH] make ACPI_BLACKLIST_YEAR depend on ACPI_INTERPRETER

this oneliner fixes the situation that I can enter a year to blacklist
ACPI devices even if ACPI is completely disabled.
Signed-off-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/acpi/Kconfig

@@ -259,6 +259,7 @@ config ACPI_CUSTOM_DSDT_FILE
 
 config ACPI_BLACKLIST_YEAR
 	int "Disable ACPI for systems before Jan 1st this year"
+	depends on ACPI_INTERPRETER
 	default 0
 	help
 	  enter a 4-digit year, eg. 2001 to disable ACPI by default