[Bug 26140] New: comdlg32/finddlg shows an uninitialized value under valgrind

http://bugs.winehq.org/show_bug.cgi?id=26140

Summary: comdlg32/finddlg shows an uninitialized value under
                    valgrind
           Product: Wine
           Version: 1.3.13
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Keywords: download, source, testcase
          Severity: minor
          Priority: P2
         Component: comdlg32
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Use of uninitialised value of size 4
    at  mbstowcs_sbcs (mbtowc.c:95)
    by  wine_cp_mbstowcs (mbtowc.c:269)
    by  MultiByteToWideChar (locale.c:1920)
    by  EDIT_WM_SetText (edit.c:3661)
    by  EditWndProc_common (edit.c:4868)
    by  EditWndProcA (winproc.c:1076)
    by  ??? (winproc.c:172)
    by  call_window_proc (winproc.c:242)
    by  WINPROC_call_window (winproc.c:908)
    by  call_window_proc (message.c:2201)
    by  send_message (message.c:3042)
    by  SendMessageA (message.c:3187)
    by  SendDlgItemMessageA (dialog.c:1295)
    by  COMDLG32_FindReplaceDlgProc (finddlg.c:191)
    by  ??? (winproc.c:172)
    by  call_dialog_proc (winproc.c:263)
    by  WINPROC_CallProcWtoA (winproc.c:857)
    by  WINPROC_CallDlgProcW (winproc.c:1041)
    by  DefDlgProcW (defdlg.c:425)
    by  ??? (winproc.c:172)
  Uninitialised value was created by a stack allocation
    at  test_param_check (finddlg.c:42)