Backport fix for memory consumption DoS, CVE CAN-2004-0942:

* server/protocol.c (ap_rgetline_core): Don't trim trailing whitespace
from the buffer here.
(ap_get_mime_headers_core): Trim trailing whitespace here, after
reading a complete field including continuation lines.  Also simplify
code to remove whitespace between field-name and colon.

Reviewed by: stoddard, jorton, nd


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@105730 13f79535-47bb-0310-9956-ffa450edef68