openssl: verifystatus: only use the OCSP work-around <= 1.0.2a

URL: http://curl.haxx.se/mail/lib-2015-03/0205.html
Reported-by: Alessandro Ghedini

lib/vtls/openssl.c

@@ -1360,6 +1360,7 @@ static CURLcode verifystatus(struct connectdata *conn,
   ch = SSL_get_peer_cert_chain(connssl->handle);
   st = SSL_CTX_get_cert_store(connssl->ctx);
 
+#if (OPENSSL_VERSION_NUMBER <= 0x1000201fL) /* Fixed after 1.0.2a */
   /* The authorized responder cert in the OCSP response MUST be signed by the
      peer cert's issuer (see RFC6960 section 4.2.2.2). If that's a root cert,
      no problem, but if it's an intermediate cert OpenSSL has a bug where it
@@ -1383,6 +1384,7 @@ static CURLcode verifystatus(struct connectdata *conn,
       }
     }
   }
+#endif
 
   if(OCSP_basic_verify(br, ch, st, 0) <= 0) {
     failf(data, "OCSP response verification failed");