adding a sleep at exit to allow tasks to finish properly

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7529 818b1a75-f10b-46b9-bf7c-635c3b92a50f

common/utils/itti/intertask_interface.c

@@ -984,6 +984,7 @@ void itti_wait_tasks_end(void)
   }
 
   printf("closing all tasks\n");
+  sleep(1);
 
   do {
     ready_tasks = 0;