Fixed an issue with non ITTI builds.

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4396 818b1a75-f10b-46b9-bf7c-635c3b92a50f

targets/SIMU/USER/oaisim.c

@@ -505,7 +505,9 @@ void *l2l1_task(void *args_p) {
 
       wait_for_slot_isr ();
 
+#if defined(ENABLE_ITTI)
       itti_update_lte_time(frame, slot);
+#endif
 
       last_slot = (slot - 1) % 20;
       if (last_slot < 0)