If a malformed Content-Range header is received for a PUT request, we

must not use the supplied content per RFC 2616 14.16. Send 400 response
instead of ignoring the Content-Range.

PR: 49825


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1026743 13f79535-47bb-0310-9956-ffa450edef68