Update mime.types file.

Map video/vnd.mpegurl to mxu according to
ftp://ftp.isi.edu/in-notes/iana/assignments/media-types/video/vnd.mpegurl
and audio/x-mpegurl to m3u, because it is commonly used.

Submitted by: Heiko Recktenwald <uzs106@uni-bonn.de>
Reviewed by: Sander van Zoest, Lars Eilebrecht


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@91248 13f79535-47bb-0310-9956-ffa450edef68