[PATCH -next] ACPICA: Make acpi_protocol_lengths static

[YueHaibing]

Fix sparse warning:

drivers/acpi/acpica/exfield.c:25:10: warning:
 symbol 'acpi_protocol_lengths' was not declared. Should it be static?

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/acpi/acpica/exfield.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c
index e85eb31e5075..3323a2ba6a31 100644
--- a/drivers/acpi/acpica/exfield.c
+++ b/drivers/acpi/acpica/exfield.c
@@ -22,7 +22,7 @@ ACPI_MODULE_NAME("exfield")
  */
 #define ACPI_INVALID_PROTOCOL_ID        0x80
 #define ACPI_MAX_PROTOCOL_ID            0x0F
-const u8 acpi_protocol_lengths[] = {
+static const u8 acpi_protocol_lengths[] = {
 	ACPI_INVALID_PROTOCOL_ID,	/* 0 - reserved */
 	ACPI_INVALID_PROTOCOL_ID,	/* 1 - reserved */
 	0x00,			/* 2 - ATTRIB_QUICK */
-- 
2.17.1