Merge r1026743 from trunk:

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

Submitted by: sf
Reviewed by: rpluem, jorton, covener


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1068309 13f79535-47bb-0310-9956-ffa450edef68