Fix warnings caused by timer_t, it is 32 bits on Sparc64

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5725 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/vl.c b/vl.c
index 01d57d4..2cfe23d 100644
--- a/vl.c
+++ b/vl.c
@@ -1527,21 +1527,21 @@
         return -1;
     }
 
-    t->priv = (void *)host_timer;
+    t->priv = (void *)(long)host_timer;
 
     return 0;
 }
 
 static void dynticks_stop_timer(struct qemu_alarm_timer *t)
 {
-    timer_t host_timer = (timer_t)t->priv;
+    timer_t host_timer = (timer_t)(long)t->priv;
 
     timer_delete(host_timer);
 }
 
 static void dynticks_rearm_timer(struct qemu_alarm_timer *t)
 {
-    timer_t host_timer = (timer_t)t->priv;
+    timer_t host_timer = (timer_t)(long)t->priv;
     struct itimerspec timeout;
     int64_t nearest_delta_us = INT64_MAX;
     int64_t current_us;