All of these variables appear to only be used inside piix4acpi.c

Signed-off-by: Simon Horman <horms@verge.net.au>

Index: ioemu-remote/hw/piix4acpi.c
===================================================================
--- ioemu-remote/hw/piix4acpi.c	2009-01-02 16:01:54.000000000 +1100
+++ ioemu-remote/hw/piix4acpi.c	2009-01-02 16:28:06.000000000 +1100
@@ -57,7 +57,7 @@
 #define ACPI_PHP_SLOT_NUM PHP_SLOT_LEN
 
 typedef struct AcpiDeviceState AcpiDeviceState;
-AcpiDeviceState *acpi_device_table;
+static AcpiDeviceState *acpi_device_table;
 
 typedef struct PCIAcpiState {
     PCIDevice dev;
@@ -74,7 +74,7 @@ typedef struct GPEState {
 
 } GPEState;
 
-GPEState gpe_state;
+static GPEState gpe_state;
 
 typedef struct PHPSlots {
     struct {
@@ -83,7 +83,7 @@ typedef struct PHPSlots {
     uint8_t plug_evt;      /* slot|event slot:0-no event;1-1st. event:0-remove;1-add */
 } PHPSlots;
 
-PHPSlots php_slots;
+static PHPSlots php_slots;
 int s3_shutdown_flag;
 static qemu_irq sci_irq;
 

-- 

-- 
Simon Horman
  VA Linux Systems Japan K.K., Sydney, Australia Satellite Office
  H: www.vergenet.net/~horms/             W: www.valinux.co.jp/en