hw/m68k: Constify VMState

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231221031652.119827-40-richard.henderson@linaro.org>

hw/m68k/next-cube.c

@@ -923,7 +923,7 @@ static const VMStateDescription next_rtc_vmstate = {
     .name = "next-rtc",
     .version_id = 2,
     .minimum_version_id = 2,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_INT8(phase, NextRtc),
         VMSTATE_UINT8_ARRAY(ram, NextRtc, 32),
         VMSTATE_UINT8(command, NextRtc),
@@ -939,7 +939,7 @@ static const VMStateDescription next_pc_vmstate = {
     .name = "next-pc",
     .version_id = 2,
     .minimum_version_id = 2,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT32(scr1, NeXTPC),
         VMSTATE_UINT32(scr2, NeXTPC),
         VMSTATE_UINT32(old_scr2, NeXTPC),

hw/m68k/q800-glue.c

@@ -189,7 +189,7 @@ static const VMStateDescription vmstate_glue = {
     .name = "q800-glue",
     .version_id = 0,
     .minimum_version_id = 0,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_UINT8(ipr, GLUEState),
         VMSTATE_UINT8(auxmode, GLUEState),
         VMSTATE_TIMER_PTR(nmi_release, GLUEState),