Apache sent wrong replies in response to certain Range: bytes=... headers.

The patch is an update to what Ronald Tschalaer
<Ronald.Tschalaer@psi.xch> sent.
PR: 1329
Submitted by:	Ronald Tschalaer <Ronald.Tschalaer@psi.ch>
Reviewed by:	Martin +1, Dean +1, Paul +1


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@79495 13f79535-47bb-0310-9956-ffa450edef68