[Bug 28543] New: crash dialog should show backtrace, so user can attach to bug

http://bugs.winehq.org/show_bug.cgi?id=28543

Bug #: 28543
           Summary: crash dialog should show backtrace, so user can attach
                    to bug
           Product: Wine
           Version: 1.3.29
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]
    Classification: Unclassified

Should show backtrace in edit box. Bonus points to allow saving to a .txt file.