Some cleanup of longs in prepartion for Cray J90 fixes:  got
rid of Py_PROTO, switched to ANSI function decls, and did some
minor fiddling.
diff --git a/Include/longintrepr.h b/Include/longintrepr.h
index 9b08397..4ddbd06 100644
--- a/Include/longintrepr.h
+++ b/Include/longintrepr.h
@@ -52,7 +52,7 @@
 	digit ob_digit[1];
 };
 
-DL_IMPORT(PyLongObject *) _PyLong_New Py_PROTO((int));
+DL_IMPORT(PyLongObject *) _PyLong_New(int);
 
 #ifdef __cplusplus
 }