c11 safe string handling support

Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vlib/buffer_serialize.c b/src/vlib/buffer_serialize.c
index 48dcce3..5696882 100644
--- a/src/vlib/buffer_serialize.c
+++ b/src/vlib/buffer_serialize.c
@@ -170,7 +170,7 @@
   /* Initialize serialize main but save overflow buffer for re-use between calls. */
   {
     u8 *save = m->stream.overflow_buffer;
-    memset (m, 0, sizeof (m[0]));
+    clib_memset (m, 0, sizeof (m[0]));
     m->stream.overflow_buffer = save;
     if (save)
       _vec_len (save) = 0;