Martin von Zweigbergk <martinvonz@google.com> [Mon, 24 Nov 2014 09:50:27 -0800] rev 23387
merge: remove obsolete check for untracked files in 'dm' action
Since 0776a6cababe (merge: don't use unknown(), 2012-02-09), untracked
files are no longer included in the manifest diff, so there is no need
to check exclude them when renaming files for directory moves with the
'dm' action.