Free {alert,phh}_data in tls13_record_layer_free()

httpd(8)'s incorrect tls_close() after closing the underlying socket
led to a leak: tls_close()'s attempt to send out the close_notify won't
work very well over a closed pipe. This resulted in alert_data still
hanging off the TLSv1.3 context's record layer struct. The tls_free()
call should have cleaned this up but failed to do so.

The record layer's phh_data potentially has the same issue, so free it
as well. This diff makes -current httpd(8) run in constant memory over
hundreds of thousands TLS connections with a static site.

ok inoguchi jsing

0 files changed, 0 insertions, 0 deletions