suexec: Allow HTTPS and SSL_* environment variables to be passed

through to CGI scripts.

PR: 9163
Submitted by:	Brian Reid <breid@customlogic.com>, Zvi Har'El <rl@math.technion.ac.il>
Reviewed by:	Joshua Slive, Lars Eilebrecht, Martin Kraemer


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@93223 13f79535-47bb-0310-9956-ffa450edef68