span: api cleanup

Use autogenerated code.
Does not change API definitions.

Type: improvement

Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Change-Id: I7ec4bbb21a079c6f6adfb4f954054b2b07bf19c5
diff --git a/src/vnet/span/span.h b/src/vnet/span/span.h
index ebdb498..c5da8ba 100644
--- a/src/vnet/span/span.h
+++ b/src/vnet/span/span.h
@@ -53,6 +53,8 @@
   /* convenience */
   vlib_main_t *vlib_main;
   vnet_main_t *vnet_main;
+
+  u16 msg_id_base;
 } span_main_t;
 
 extern span_main_t span_main;