Correct mod_cgid's argv[0] so that the full path can be delved by the
  invoked cgi application, to conform to the behavior of mod_cgi.

PR: 34542
Reviewed by: Andre, OtherBill
Submitted by: Pradeep Kumar S <pradeep.smani gmail.com>



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@264623 13f79535-47bb-0310-9956-ffa450edef68