* modules/ssl/ssl_engine_kernel.c (ssl_hook_Fixup): Don't send Upgrade

for a subrequest.  When it *is* sent, list it in a Connection: header
as required by 2616.

PR: 32486


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@592457 13f79535-47bb-0310-9956-ffa450edef68