Fix for suexec invocation of CGIs under user dirs when using cgid

PR: 7810
Submitted by:	Colm MacCarthaigh <colmmacc@redbrick.dcu.ie>
Reviewed by:	Brian Pane


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@95292 13f79535-47bb-0310-9956-ffa450edef68