Solve C-L post body reads from the HTTP_IN by ap_get_brigade() so that
  we know -immediately- that we've read the last of the data.  This patch
  adds an EOS bucket to the brigade if ctx->remaining has been consumed.

Reviewed by:	Justin Erenkrantz


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@96104 13f79535-47bb-0310-9956-ffa450edef68