This patches a bug that made it impossible to compile on gentoo musl.
diff --git a/client/player.c b/client/player.c
index 25fd837..47b5d0a 100644
--- a/client/player.c
+++ b/client/player.c
@@ -5142,7 +5142,7 @@ static void cmd_send_transport(int argc, char *argv[])
struct sockaddr_iso addr;
socklen_t optlen;
- err = getpeername(transport->sk, &addr, &optlen);
+ err = getpeername(transport->sk, (struct sockaddr *)&addr, &optlen);
if (!err) {
if (!(bacmp(&addr.iso_bdaddr, BDADDR_ANY)))
err = transport_send(transport, fd,
