Don't request certificates for any PSK ciphersuite

Reviewed-by: NMatt Caswell <matt@openssl.org>

ssl/s3_srvr.c

@@ -503,7 +503,7 @@ int ssl3_accept(SSL *s)
                     * With normal PSK Certificates and Certificate Requests
                     * are omitted
                     */
-                   || (s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)) {
+                   || (s->s3->tmp.new_cipher->algorithm_mkey & SSL_PSK)) {
                 /* no cert request */
                 skip = 1;
                 s->s3->tmp.cert_request = 0;