API: Add support for type aliases

Previously all types are compound. This adds support for aliases,
so one can do things like:

typedef u32 interface_index;

or
typedef u8 ip4_address[4];

Change-Id: I0455cad0123fc88acb491d2a3ea2725426bdb246
Signed-off-by: Ole Troan <ot@cisco.com>
Signed-off-by: Klement Sekera <ksekera@cisco.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/test/ext/fake.api.json b/test/ext/fake.api.json
index 4a7c64e7dfd..24c9f4dbfa1 100644
--- a/test/ext/fake.api.json
+++ b/test/ext/fake.api.json
@@ -43,5 +43,7 @@
             {"crc" : "0xcafebafe"}
         ]
     ],
+    "aliases" : {
+    },
 "vl_api_version" :"0x224c7aad"
 }