Get rid of compiler warning about with_msg and as_msg being unused
diff --git a/Parser/parsetok.c b/Parser/parsetok.c
index 07590c2..cb79fe4 100644
--- a/Parser/parsetok.c
+++ b/Parser/parsetok.c
@@ -92,11 +92,13 @@
/* Parse input coming from the given tokenizer structure.
Return error code. */
+#ifdef PY_PARSER_REQUIRES_FUTURE_KEYWORD
static char with_msg[] =
"%s:%d: Warning: 'with' will become a reserved keyword in Python 2.6\n";
static char as_msg[] =
"%s:%d: Warning: 'as' will become a reserved keyword in Python 2.6\n";
+#endif
static void
warn(const char *msg, const char *filename, int lineno)