Properly offset wakeup time

src/feature/hibernate/hibernate.c

@@ -669,7 +669,7 @@ accounting_set_wakeup_time(void)
     double t = (get_uint32(digest) % (int) exp(time_to_consider/2));
     t = log(t);
     if (branch == 1) t = -t;
-    interval_wakeup_time = interval_start_time + (int) t;
+    interval_wakeup_time = interval_start_time + time_to_consider/2 + t;
     //    interval_wakeup_time = interval_start_time +
     //      (get_uint32(digest) % time_to_consider);
   }