Slight mistake in mod_mime_magic. If you tried to request a 0-length file

it would return DONE all the way back to the core... which would interpret
that to mean "oh no need to send any response".


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@80425 13f79535-47bb-0310-9956-ffa450edef68