VOM: Additions to allow uses to UT applications that use VOM

- find object by key
- compare objects

Change-Id: I36ec8612be9482bcef7ceced2a59f7403f77b3e8
Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
diff --git a/src/vpp-api/vom/interface_ip6_nd.hpp b/src/vpp-api/vom/interface_ip6_nd.hpp
index 4c7f391..22f545a 100644
--- a/src/vpp-api/vom/interface_ip6_nd.hpp
+++ b/src/vpp-api/vom/interface_ip6_nd.hpp
@@ -26,7 +26,6 @@
 #include "vom/ra_prefix.hpp"
 #include "vom/rpc_cmd.hpp"
 #include "vom/singular_db.hpp"
-#include "vom/sub_interface.hpp"
 
 namespace VOM {
 /**
@@ -96,7 +95,7 @@
   /**
    * The key type for interface ip6 nd
    */
-  typedef interface::key_type key_t;
+  typedef interface::key_t key_t;
 
   /**
    * Find an singular instance in the DB for the interface passed