PVS-Studio warning V557 for ITK

#define MET_NUM_VALUE_TYPES 29

const char MET_ValueTypeName[MET_NUM_VALUE_TYPES][21] = { ... };

bool MET_TypeToString(MET_ValueEnumType _vType, char *_s)
{
  if(_vType>=0 && _vType<=MET_NUM_VALUE_TYPES)
    {
    strcpy(_s, MET_ValueTypeName[_vType]);
    return true;
    }

  return false;
}

This suspicious code was found in ITK project by PVS-Studio static code analyzer.
Warning message is:
V557 Array overrun is possible. The value of '_vType' index could reach 29. metautils.cxx 239

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/