vmstate: remove const from pre_save() functions

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/hw/hpet.c b/hw/hpet.c
index 6535b8ebf2..64163bd524 100644
--- a/hw/hpet.c
+++ b/hw/hpet.c
@@ -157,9 +157,9 @@ static void update_irq(struct HPETTimer *timer)
     }
 }
 
-static void hpet_pre_save(const void *opaque)
+static void hpet_pre_save(void *opaque)
 {
-    HPETState *s = (void *)opaque;
+    HPETState *s = opaque;
     /* save current counter value */
     s->hpet_counter = hpet_get_ticks();
 }