[Patch] Throws an exception when used with the GitPlugin

[me+trac@…]

The exception is:

2009-01-21 19:16:18,632 Trac[formatter] ERROR: Macro ChangeLog(/, 5) failed
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/trac/wiki/formatter.py", line 467, in _macro_formatter
    return macro.process(args, in_paragraph=True)
  File "/usr/lib/python2.5/site-packages/trac/wiki/formatter.py", line 178, in process
    text = self.processor(text)
  File "/usr/lib/python2.5/site-packages/trac/wiki/formatter.py", line 165, in _macro_processor
    text)
  File "/home/svn/donator.trac/plugins/changelog.py", line 50, in expand_macro
    out.write(wiki_to_html("'''[%i] by %s on %s'''\n\n%s" % (nrev, change.author, format_datetime(change.date), change.message),
TypeError: int argument required

Since nrev is not an int in Git, the %i conversion fails. Patch attached.

[me+trac@…]

Duplicate of 4034.