* modules/ssl/ssl_engine_io.c (ssl_io_filter_Upgrade): Simplify the

Upgrade header check; allow upgrades on any method; don't drop the
ap_pass_brigade return value.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk/modules/ssl@111159 13f79535-47bb-0310-9956-ffa450edef68