Remove superfluous EOL from mod_rewrite logging.

It's no longer needed, since mod_rewrite now uses
our usual error log. The superfluous EOL was logged
as '\n'.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@960236 13f79535-47bb-0310-9956-ffa450edef68