Fix a storage leak in mod_cgid... the temporary pool created for

each request was not cleaned up.

This removes the nastiest symptom of some excess pipes being created
(i.e., we don't run out of file descriptors), though something
additional is needed to keep from creating the pipes to begin with.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@88611 13f79535-47bb-0310-9956-ffa450edef68