Move curve448_test.c to be a full internal test

This ensures that this test is run as part of the test suite
Reviewed-by: NBernd Edlinger <bernd.edlinger@hotmail.de>
(Merged from https://github.com/openssl/openssl/pull/5105)

test/build.info

@@ -400,7 +400,8 @@ INCLUDE_MAIN___test_libtestutil_OLB = /INCLUDE=MAIN
   # names with the DLL import libraries.
   IF[{- $disabled{shared} || $target{build_scheme}->[1] ne 'windows' -}]
     PROGRAMS_NO_INST=asn1_internal_test modes_internal_test x509_internal_test \
-                     tls13encryptiontest wpackettest ctype_internal_test
+                     tls13encryptiontest wpackettest ctype_internal_test \
+                     curve448_internal_test
     IF[{- !$disabled{poly1305} -}]
       PROGRAMS_NO_INST=poly1305_internal_test
     ENDIF
@@ -453,6 +454,10 @@ INCLUDE_MAIN___test_libtestutil_OLB = /INCLUDE=MAIN
     SOURCE[sm4_internal_test]=sm4_internal_test.c
     INCLUDE[sm4_internal_test]=.. ../include ../crypto/include
     DEPEND[sm4_internal_test]=../libcrypto.a libtestutil.a
+
+    SOURCE[curve448_internal_test]=curve448_internal_test.c
+    INCLUDE[curve448_internal_test]=.. ../include ../crypto/ec/curve448
+    DEPEND[curve448_internal_test]=../libcrypto.a libtestutil.a
   ENDIF
 
   IF[{- !$disabled{mdc2} -}]

test/recipes/03-test_internal_curve448.t

+#! /usr/bin/env perl
+# Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License").  You may not use
+# this file except in compliance with the License.  You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
+use strict;
+use OpenSSL::Test;              # get 'plan'
+use OpenSSL::Test::Simple;
+use OpenSSL::Test::Utils;
+
+setup("test_internal_curve448");
+
+plan skip_all => "This test is unsupported in a shared library build on Windows"
+    if $^O eq 'MSWin32' && !disabled("shared");
+
+simple_test("test_internal_curve448", "curve448_internal_test");