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.
port:4:export
port:4:vaportight
port:4:import/export
FIXME: history is wrong here
port:1:1:-:eggs:import
port:1:2:+:eggs:vaportight
port:1:3:+:eggs:import/export
port:0:2:+:spam:export
port:0:1:+:spam:import
port:4:import/export