hgweb file: fixed left-justified line numbers on IE v6.0
IE (v6.0) seemed to squash the spaces surrounding the line
numbers, making them appeared as left- instead of being
right-justified.
Testing with IE v6.0 and Firefox 1.0.6.
#header#
<title>#repo|escape#: #file# history</title>
<description>#file# revision history</description>
#entries%filelogentry#
</channel>
</rss>