fix no-ec build

Reviewed-by: NRich Salz <rsalz@openssl.org>

ssl/ssl_rsa.c

@@ -377,12 +377,12 @@ static int ssl_set_cert(CERT *c, X509 *x)
         SSLerr(SSL_F_SSL_SET_CERT, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
         return 0;
     }
-
+#ifndef OPENSSL_NO_EC
     if (i == SSL_PKEY_ECC && !EC_KEY_can_sign(EVP_PKEY_get0_EC_KEY(pkey))) {
         SSLerr(SSL_F_SSL_SET_CERT, SSL_R_ECC_CERT_NOT_FOR_SIGNING);
         return 0;
     }
-
+#endif
     if (c->pkeys[i].privatekey != NULL) {
         /*
          * The return code from EVP_PKEY_copy_parameters is deliberately