Add text/xml, audio/mpeg, video/quicktime support to mime magic file.

(Justin changed the audio/mpeg sequence to match file(1)'s listing.)

Minor style changes in nearby areas.

PR: 7730
Submitted by: Linus Walleij <triad@df.lth.se>
Reviewed by:  Justin Erenkrantz
(forward ported from revision 1.5 of apache-1.3/conf/magic)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@94187 13f79535-47bb-0310-9956-ffa450edef68