A little fix for the error messages from RewriteBase directive.

Submitted by: Todd Eigenschink <eigenstr@mixi.net>
Reviewed by: Ralf S. Engelschall


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@80836 13f79535-47bb-0310-9956-ffa450edef68