Merge r264866 and r326018 from trunk:

 
 * mod_cgid: Refuse to work on Solaris 10 due to OS bugs. 

 * modules/generators/config5.m4: Improve Solaris 10 check in mod_cgid to
   know about the now-released patches that fix the AF_UNIX bugs.  

PR: 34264


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.0.x@372049 13f79535-47bb-0310-9956-ffa450edef68