Now `num_timers` is `usize` other than `u8`. Although the type field in
`declare_properties` macro hasn't been used, it's better to explicitly
point this out and clean up this before doing other property work.

Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
---
 rust/hw/timer/hpet/src/device.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rust/hw/timer/hpet/src/device.rs b/rust/hw/timer/hpet/src/device.rs
index 3cfbe9c32bb1..fce75415579d 100644
--- a/rust/hw/timer/hpet/src/device.rs
+++ b/rust/hw/timer/hpet/src/device.rs
@@ -909,7 +909,7 @@ impl ObjectImpl for HPETState {
         HPETState,
         num_timers,
         unsafe { &qdev_prop_usize },
-        u8,
+        usize,
         default = HPET_MIN_TIMERS
     ),
     define_property!(
-- 
2.34.1