Add "static" to please Sparse

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
diff --git a/hw/vmware_vga.c b/hw/vmware_vga.c
index 24ea620..240731a 100644
--- a/hw/vmware_vga.c
+++ b/hw/vmware_vga.c
@@ -1063,7 +1063,7 @@
     return 0;
 }
 
-const VMStateDescription vmstate_vmware_vga_internal = {
+static const VMStateDescription vmstate_vmware_vga_internal = {
     .name = "vmware_vga_internal",
     .version_id = 0,
     .minimum_version_id = 0,
@@ -1090,7 +1090,7 @@
     }
 };
 
-const VMStateDescription vmstate_vmware_vga = {
+static const VMStateDescription vmstate_vmware_vga = {
     .name = "vmware_vga",
     .version_id = 0,
     .minimum_version_id = 0,