ISAPIs written for MS may pass 0 as the result code with no adverse effect.

Submitted by:	Jessie Oberreuter <joberreu@moselle.com>
Reviewed by:	Will Rowe


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@89062 13f79535-47bb-0310-9956-ffa450edef68