c11 safe string handling support

Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vnet/dpo/classify_dpo.c b/src/vnet/dpo/classify_dpo.c
index 9e7886c..08fab83 100644
--- a/src/vnet/dpo/classify_dpo.c
+++ b/src/vnet/dpo/classify_dpo.c
@@ -28,7 +28,7 @@
     classify_dpo_t *cd;
 
     pool_get_aligned(classify_dpo_pool, cd, CLIB_CACHE_LINE_BYTES);
-    memset(cd, 0, sizeof(*cd));
+    clib_memset(cd, 0, sizeof(*cd));
 
     return (cd);
 }