Reviewed by: brian@organic.com

Submitted by:	ldl@cs.utah.edu

palloc didn't like being asked for a chunk of size of 0, so we have to
make sure it doesn't get asked for it.  Since there's nothing to sort
if num_ent is zero, it doesn't affect the output.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@76852 13f79535-47bb-0310-9956-ffa450edef68