Backport r264759 and r264788 to the 2.2.x branch. Fixes the get_suexec_identity hook
for mod_cgid.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@289965 13f79535-47bb-0310-9956-ffa450edef68