qapi: Drop nonsensical header guard in generated qapi-visit.c

Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Signed-off-by: NLuiz Capitulino <lcapitulino@redhat.com>

scripts/qapi-visit.py

@@ -494,10 +494,8 @@ fdecl.write(guardend("QAPI_VISIT_BUILTIN_VISITOR_DECL"))
 # have the functions defined, so we use -b option to provide control
 # over these cases
 if do_builtins:
-    fdef.write(guardstart("QAPI_VISIT_BUILTIN_VISITOR_DEF"))
     for typename in builtin_types:
         fdef.write(generate_visit_list(typename, None))
-    fdef.write(guardend("QAPI_VISIT_BUILTIN_VISITOR_DEF"))
 
 for expr in exprs:
     if expr.has_key('type'):