Don't force ISAPI headers to finish with \n.

PR: 2060
Submitted by:	Jim Patterson <Jim.Patterson@Cognos.COM>, Ben Laurie


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@81218 13f79535-47bb-0310-9956-ffa450edef68