Correct new bugs introduced with the mod_isapi overhaul.

Submitted by:	Jesse Pelton [jsp@PKC.com]
Reviewed by:	William Rowe


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@86407 13f79535-47bb-0310-9956-ffa450edef68