hw/pci-host: Constify VMState

Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231221031652.119827-47-richard.henderson@linaro.org>
diff --git a/hw/pci-host/bonito.c b/hw/pci-host/bonito.c
index bab661f..1f0c435 100644
--- a/hw/pci-host/bonito.c
+++ b/hw/pci-host/bonito.c
@@ -619,7 +619,7 @@
     .name = "Bonito",
     .version_id = 1,
     .minimum_version_id = 1,
-    .fields = (VMStateField[]) {
+    .fields = (const VMStateField[]) {
         VMSTATE_PCI_DEVICE(dev, PCIBonitoState),
         VMSTATE_END_OF_LIST()
     }