[Bug 27383] New: cmd: mkdir should give an error for pre-existing directories

http://bugs.winehq.org/show_bug.cgi?id=27383

Summary: cmd: mkdir should give an error for pre-existing
                    directories
           Product: Wine
           Version: 1.3.21
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: cmd
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Attempting to create an already existing directory must fail (as in Windows)