c11 safe string handling support

Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vppinfra/flowhash_template.h b/src/vppinfra/flowhash_template.h
index 9227256..d7a621c 100644
--- a/src/vppinfra/flowhash_template.h
+++ b/src/vppinfra/flowhash_template.h
@@ -374,7 +374,7 @@
 
   /* Fill free elements list */
   int i;
-  memset(h->entries, 0, sizeof(h->entries[0]) * entries);
+  clib_memset(h->entries, 0, sizeof(h->entries[0]) * entries);
   for (i = 1; i <= collision_buckets; i++)
     {
       h->free_buckets_indices[-i] =