c11 safe string handling support

Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab
Signed-off-by: Dave Barach <dave@barachs.net>
diff --git a/src/vnet/fib/ip4_fib.c b/src/vnet/fib/ip4_fib.c
index d8d983d..9ad1842 100644
--- a/src/vnet/fib/ip4_fib.c
+++ b/src/vnet/fib/ip4_fib.c
@@ -109,7 +109,7 @@
     void *old_heap;
 
     pool_get(ip4_main.fibs, fib_table);
-    memset(fib_table, 0, sizeof(*fib_table));
+    clib_memset(fib_table, 0, sizeof(*fib_table));
 
     old_heap = clib_mem_set_heap (ip4_main.mtrie_mheap);
     pool_get_aligned(ip4_main.v4_fibs, v4_fib, CLIB_CACHE_LINE_BYTES);