[Bug 13800] New: Examdiff crashes

http://bugs.winehq.org/show_bug.cgi?id=13800

Summary: Examdiff crashes
           Product: Wine
           Version: CVS/GIT
          Platform: Other
               URL: http://software-
                    files.download.com/sd/Fi95O5DJsRMoHuY474IPkpdARKwANo2lJS
                    5D8lzS8PxJL_9b9DurXqIPqjYAMqs0yKjAcI7yjGlj7Ht6XgJNmD2aVV
                    kQen9y/software/10650170/10037213/3/edpro40.exe?lop=&pty
                    pe=1721&ontid=2248&siteId=4&edId=3&spi=c8e99775d4f4b87d3
                    dbf05ea039599f7&pid=10650170&psid=10037213
        OS/Version: other
            Status: NEW
          Keywords: download
          Severity: normal
          Priority: P2
         Component: comctl32
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Hi, a user reported problems with this app in appdb. Steps to reproduce:

Start the app, and select two textfiles in the openingwindow. The very moment
you click OK it crashes with an Unhandled page fault. Works fine with native
comclt32. I'll attach a log