[Bug 13310] New: Jagged border around window - bad transparancy mask?

http://bugs.winehq.org/show_bug.cgi?id=13310

Summary: Jagged border around window - bad transparancy mask?
           Product: Wine
           Version: CVS/GIT
          Platform: Other
               URL: http://www.magicdvdripper.com/dvd-copier.htm
        OS/Version: other
            Status: NEW
          Keywords: download
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

In
http://www.linuxquestions.org/questions/linux-software-2/dvd-copybackup-6430...
a user asked if wine worked with Magic DVD Copier, so I tried it.

The first bug I noticed was a cosmetic one: the frame around
the app looks jagged; some sort of transparancy mask issue.

I've attached a screenshot.