Use new-style system-id macros everywhere possible. I hope I haven't
missed any.
This compiles and runs on Linux, and external applications have no
problems with it. The definite test will be to build this on VMS.
diff --git a/crypto/bn/vms-helper.c b/crypto/bn/vms-helper.c
index 3da4622..4b63149 100644
--- a/crypto/bn/vms-helper.c
+++ b/crypto/bn/vms-helper.c
@@ -60,7 +60,7 @@
bn_div_words_abort(int i)
{
#ifdef BN_DEBUG
-#if !defined(OPENSSL_NO_STDIO) && !defined(WIN16)
+#if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16)
fprintf(stderr,"Division would overflow (%d)\n",i);
#endif
abort();
