Fix client auth test_ssl_new failures when enabling/disabling protocols

If configuring for anything other than the default TLS protocols then
test failures were occuring.
Reviewed-by: NEmilia Käsper <emilia@openssl.org>

test/recipes/80-test_ssl_new.t

@@ -39,6 +39,7 @@ my $no_dtls = alldisabled(available_protocols("dtls"));
 
 my %conf_dependent_tests = (
   "02-protocol-version.conf" => !$is_default_tls,
+  "04-client_auth.conf" => !$is_default_tls,
   "05-dtls-protocol-version.conf" => !$is_default_dtls,
 );