PVS-Studio warning V519 for DDKSamples

CPSUICALLBACK TVTestCallBack(....)
{
  ....
  switch (DMPubID)
  {
    ....
    case DMPUB_TVOPT_OVERLAY_NO:
      Action = CPSUICB_ACTION_REINIT_ITEMS;
    case DMPUB_TVOPT_ECB_EP:
      ....
      Action = CPSUICB_ACTION_OPTIF_CHANGED;
      //
      // Fall through
      //
    ....
  }
  ....
}

The break operator is missing.

This suspicious code was found in DDKSamples project by PVS-Studio static code analyzer.
Warning message is:
V519 The 'Action' variable is assigned values twice successively. Perhaps this is a mistake. Check lines: 1110, 1124. cpsuidat.c 1124

PVS-Studio is a static analyzer for detecting bugs in the source code of applications written in C, C++, C++11, C++/CX. Site: http://www.viva64.com/en/pvs-studio/