[Bug 32651] New: File path passed to linux application by winebrowser is mangled if it contains international characters

http://bugs.winehq.org/show_bug.cgi?id=32651

Bug #: 32651
           Summary: File path passed to linux application by winebrowser
                    is mangled if it contains international characters
           Product: Wine
           Version: 1.5.20
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]
    Classification: Unclassified

When a windows program (ElsterFormular) running under wine tries to open a pdf
file called Übertragungsprotokoll_UStVA2012_IV._Quartal_My_Name.pdf using the
native pdf application (which works as per
http://wiki.winehq.org/FAQ#head-bc5b677c29daa2cd16b83bca8c88f31b2341cb98),
Linux produces the error:

Unable to run the command specified. The file or folder
file:///home/james/.wine/dosdevices/c:/users/james/Application
Data/elsterformular/pica/tmp/�bertragungsprotokoll_UStVA2012_IV._Quartal_My_Name.pdf
does not exist.

The same thing happens if I try to open it from the wine explorer. If I rename
the file to start with 'U' I can open it from the wine explorer.

My locale is en_US.UTF-8.