cause a lookup failure in external rewrite maps if

the key contains a newline.

PR: 14453
Submitted originally by: Cedric Gavage <cedric.gavage@unixtech.be>


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@100833 13f79535-47bb-0310-9956-ffa450edef68