Remove #error from include files.
Don't have #error statements in header files, but instead wrap
the contents of that file in #ifndef OPENSSL_NO_xxx
This means it is now always safe to include the header file.
Reviewed-by: Richard Levitte <levitte@openssl.org>
diff --git a/ssl/ssl_cert.c b/ssl/ssl_cert.c
index e17cffc..4081ebe 100644
--- a/ssl/ssl_cert.c
+++ b/ssl/ssl_cert.c
@@ -125,9 +125,7 @@
#include <openssl/bio.h>
#include <openssl/pem.h>
#include <openssl/x509v3.h>
-#ifndef OPENSSL_NO_DH
-# include <openssl/dh.h>
-#endif
+#include <openssl/dh.h>
#include <openssl/bn.h>
#include "internal/threads.h"
#include "ssl_locl.h"
