stop using APR_BRIGADE_NORMALIZE()

(okay, making a copy of it is cheating perhaps, but the name of the
game is to get APR_BRIGADE_NORMALIZE() out of the API)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@93458 13f79535-47bb-0310-9956-ffa450edef68