Factor out logic to determine if request is using SSL/TLS and use it

consistently.

* modules/ssl/ssl_util.c (modssl_request_is_tls): New function.

* modules/ssl/ssl_engine_kernel.c (ssl_hook_Fixup): Use it.

* modules/ssl/mod_ssl.c (ssl_hook_http_scheme, ssl_hook_default_port):
  Use it.

PR: 61519


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1829250 13f79535-47bb-0310-9956-ffa450edef68