Set supports_pending_changesets for Plastic.
Review Request #4393 — Created Aug. 5, 2013 and submitted
Set supports_pending_changesets for Plastic. When I added the supports_pending_changesets flag, I neglected to add it for Plastic. This broke things.
This is a review from Review Bot. Tool: PEP8 Style Checker Processed Files: reviewboard/scmtools/plastic.py Ignored Files: