ide: Give vmstate structs internal linkage where possible

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

hw/ide/core.c

diff --git a/hw/ide/core.c b/hw/ide/core.c
index ff59a45..1806e00 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -2010,7 +2010,7 @@
 }
 
 /* Fields for GET_EVENT_STATUS_NOTIFICATION ATAPI command */
-const VMStateDescription vmstate_ide_atapi_gesn_state = {
+static const VMStateDescription vmstate_ide_atapi_gesn_state = {
     .name ="ide_drive/atapi/gesn_state",
     .version_id = 1,
     .minimum_version_id = 1,
@@ -2022,7 +2022,7 @@
     }
 };
 
-const VMStateDescription vmstate_ide_drive_pio_state = {
+static const VMStateDescription vmstate_ide_drive_pio_state = {
     .name = "ide_drive/pio_state",
     .version_id = 1,
     .minimum_version_id = 1,
@@ -2084,7 +2084,7 @@
     }
 };
 
-const VMStateDescription vmstate_ide_error_status = {
+static const VMStateDescription vmstate_ide_error_status = {
     .name ="ide_bus/error",
     .version_id = 1,
     .minimum_version_id = 1,