c11 safe string handling support

Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vnet/ipsec/ipsec.c b/src/vnet/ipsec/ipsec.c
index d1b82b5..6e4c7f1 100644
--- a/src/vnet/ipsec/ipsec.c
+++ b/src/vnet/ipsec/ipsec.c
@@ -126,7 +126,7 @@
   else				/* create new SPD */
     {
       pool_get (im->spds, spd);
-      memset (spd, 0, sizeof (*spd));
+      clib_memset (spd, 0, sizeof (*spd));
       spd_index = spd - im->spds;
       spd->id = spd_id;
       hash_set (im->spd_index_by_spd_id, spd_id, spd_index);
@@ -546,7 +546,7 @@
 
   ipsec_rand_seed ();
 
-  memset (im, 0, sizeof (im[0]));
+  clib_memset (im, 0, sizeof (im[0]));
 
   im->vnet_main = vnet_get_main ();
   im->vlib_main = vm;