Fix the check for rlim_t correctly. I wish I had known that we had

created an rlim_t check in acinclude.m4.  :-)
Submitted by:	Jeff Trawick


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@85476 13f79535-47bb-0310-9956-ffa450edef68