the check for EOS isn't going to work if we already

deleted the eos; we ended up sending the last piece
of data from the client twice; I had (poorly) modified
the EOS section from the normal idiom to keep from having
to deal with the EOS later when reusing the input
brigade


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/proxy-reqbody@124220 13f79535-47bb-0310-9956-ffa450edef68