support openbsd // compile with libressl

src/crypto/openssl.cpp

@@ -39,7 +39,11 @@ namespace  fc
 
        ~openssl_scope()
        {
+#if not defined(LIBRESSL_VERSION_NUMBER)
+          // No FIPS in LibreSSL.
+          // https://marc.info/?l=openbsd-misc&m=139819485423701&w=2
           FIPS_mode_set(0);
+#endif
           CONF_modules_unload(1);
           EVP_cleanup();
           CRYPTO_cleanup_all_ex_data();