Revision 1909252

Do not use OpenSSL functions that operates with FILE to avoid potential CRT
versions mismatch. Use BIO based functions instead.

* test/MockHTTPinC/MockHTTP_server.c
  (initSSLCtx): Use PEM_read_bio_X509() instead of PEM_read_X509() to read
   certificates.
* test/test_ssl.c
  (verify_ocsp_response): Use PEM_read_bio_PrivateKey() instead of
   PEM_read_PrivateKey().