unit1301: fix error message on first test

 *                            | (__| |_| |  _ <| |___

 *                             \___|\___/|_| \_\_____|

 *

 * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.

 * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.

 *

 * This software is licensed as described in the file COPYING, which

 * you should have received as part of this distribution. The terms

int rc;

rc = curl_strequal("iii", "III");

fail_unless(rc != 0, "return code should be zero");

fail_unless(rc != 0, "return code should be non-zero");

rc = curl_strequal("iiia", "III");

fail_unless(rc == 0, "return code should be zero");