[Bug 26046] New: comctl32/monthcal tests show some invalid reads under valgrind

http://bugs.winehq.org/show_bug.cgi?id=26046

Summary: comctl32/monthcal tests show some invalid reads under
                    valgrind
           Product: Wine
           Version: 1.3.13
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Keywords: download, source, testcase
          Severity: minor
          Priority: P2
         Component: comctl32
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Created an attachment (id=33219)
 --> (http://bugs.winehq.org/attachment.cgi?id=33219)
valgrind log

Conditional jump or move depends on uninitialised value(s)
    at  CompareFileTime (time.c:888)
    by  MONTHCAL_CompareSystemTime (monthcal.c:282)
    by  MONTHCAL_CompareMonths (monthcal.c:294)
    by  MONTHCAL_CalcDayXY (monthcal.c:563)
    by  MONTHCAL_CalcPosFromDay (monthcal.c:599)
    by  MONTHCAL_UpdateToday (monthcal.c:1546)
    by  MONTHCAL_SetToday (monthcal.c:1565)
    by  MONTHCAL_WindowProc (monthcal.c:2662)
    by  ??? (winproc.c:172)
    by  call_window_proc (winproc.c:242)
    by  WINPROC_CallProcAtoW (winproc.c:601)
    by  CallWindowProcA (winproc.c:960)
    by  monthcal_subclass_proc (monthcal.c:543)
    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  test_today (monthcal.c:1208)
  Uninitialised value was created by a stack allocation
    at  MONTHCAL_CompareSystemTime (monthcal.c:276)

full log attached.