merge this fix from 2.1-dev:

    * Fix EOS handling in ap_get_client_block.

Submitted by:	jerenkrantz
Reviewed by:	trawick, fielding


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@101265 13f79535-47bb-0310-9956-ffa450edef68