Remove use of HAVE_OLD_CPP to support non-ANSI preprocessors.
diff --git a/Modules/parsermodule.c b/Modules/parsermodule.c
index 8baa693..daa2f80 100644
--- a/Modules/parsermodule.c
+++ b/Modules/parsermodule.c
@@ -858,11 +858,7 @@
 }
 
 
-#ifdef HAVE_OLD_CPP
-#define VALIDATER(n)    static int validate_/**/n(node *tree)
-#else
 #define VALIDATER(n)    static int validate_##n(node *tree)
-#endif
 
 
 /*