fib: multiple memory leaks upon deleting a VRF table

fib_table->ft_locks
name string for parsing the ip table add|del name <tag> command
path list for ip4_specials in mfib
mfib->fib_entry_by_dst_address[0..32]
mfib entry path_ext, msrc->mfes_exts

Type: fix

Signed-off-by: Steven Luong <sluong@cisco.com>
Change-Id: Ia1e0cac577a73608ee1e4b1664b60a66322e81ce
diff --git a/src/vnet/mfib/mfib_entry.c b/src/vnet/mfib/mfib_entry.c
index 8050882..20945aa 100644
--- a/src/vnet/mfib/mfib_entry.c
+++ b/src/vnet/mfib/mfib_entry.c
@@ -412,6 +412,8 @@
     }));
     hash_free(msrc->mfes_itfs);
     msrc->mfes_itfs = NULL;
+    hash_free(msrc->mfes_exts);
+    msrc->mfes_exts = NULL;
     fib_path_list_unlock(msrc->mfes_pl);
 }