Limit parameter in log view has off-by-one error

[Jun Omae]

log:?rev=10 shows 10 commits but log:?rev=10&limit=10 shows 9 commits. The limit parameter has off-by-one error.

trac/versioncontrol/web_ui/log.py

@@ -256 +256 @@
                            '%(rev)s)', path=next_path,
                            rev=display_rev(next_rev)))
             # only show fully 'limit' results, use `change == None` as a marker
-            info[-1]['change'] = None
+            if count > limit:
+                info[-1]['change'] = None
 
         revisions = [i['rev'] for i in info]
         changes = get_changes(repos, revisions, self.log)

I'll push it with unit tests later.