c11 safe string handling support

Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vppinfra/timing_wheel.c b/src/vppinfra/timing_wheel.c
index 09a46d5..bbf3012 100644
--- a/src/vppinfra/timing_wheel.c
+++ b/src/vppinfra/timing_wheel.c
@@ -184,7 +184,7 @@
 {
   /* Poison free elements so we never use them by mistake. */
   if (CLIB_DEBUG > 0)
-    memset (ev, ~0, vec_len (ev) * sizeof (ev[0]));
+    clib_memset (ev, ~0, vec_len (ev) * sizeof (ev[0]));
   _vec_len (ev) = 0;
   vec_add1 (w->free_elt_vectors, ev);
 }