net/tls: fix build without CONFIG_TLS_DEVICE

buildbot noticed that TLS_HW is not defined if CONFIG_TLS_DEVICE=n.
Wrap the cleanup branch into an ifdef, tls_device_free_resources_tx()
wouldn't be compiled either in this case.

Fixes: 35b71a34 ("net/tls: don't leak partially sent record in device mode")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/tls/tls_main.c

@@ -287,8 +287,10 @@ static void tls_sk_proto_close(struct sock *sk, long timeout)
 		kfree(ctx->tx.rec_seq);
 		kfree(ctx->tx.iv);
 		tls_sw_free_resources_tx(sk);
+#ifdef CONFIG_TLS_DEVICE
 	} else if (ctx->tx_conf == TLS_HW) {
 		tls_device_free_resources_tx(sk);
+#endif
 	}
 
 	if (ctx->rx_conf == TLS_SW) {