Fix lifetime bug in masque_tcp_client

PiperOrigin-RevId: 846423663

quiche/quic/masque/masque_tcp_client_bin.cc

diff --git a/quiche/quic/masque/masque_tcp_client_bin.cc b/quiche/quic/masque/masque_tcp_client_bin.cc
index 5675dfe..1779999 100644
--- a/quiche/quic/masque/masque_tcp_client_bin.cc
+++ b/quiche/quic/masque/masque_tcp_client_bin.cc
@@ -243,7 +243,7 @@
       return;
     }
     SSL_set_bio(ssl_.get(), tls_io, tls_io);
-    BIO_free(tls_io);
+    // `SSL_set_bio` causes `ssl_` to take ownership of `tls_io`.
 
     int ret = SSL_connect(ssl_.get());
     if (ret != 1) {