Fix remaining 32-bit compile issues

Change-Id: I9664214652229b663c3e3ba7406b4ede96bfb123
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vnet/tcp/builtin_server.c b/src/vnet/tcp/builtin_server.c
index 3468269..621ce02 100644
--- a/src/vnet/tcp/builtin_server.c
+++ b/src/vnet/tcp/builtin_server.c
@@ -244,7 +244,7 @@
   memset (mp, 0, sizeof (*mp));
   mp->_vl_msg_id = VL_API_MEMCLNT_CREATE;
   mp->context = 0xFEEDFACE;
-  mp->input_queue = (u64) bsm->vl_input_queue;
+  mp->input_queue = pointer_to_uword (bsm->vl_input_queue);
   strncpy ((char *) mp->name, "tcp_test_server", sizeof (mp->name) - 1);
 
   vl_api_memclnt_create_t_handler (mp);