PVS-Studio warning V517 for ITK

template< typename T >
void WriteCellDataBufferAsASCII(....)
{
  ....
  if( this->m_NumberOfCellPixelComponents == 3 )
  {
    ....
  }
  else if( this->m_NumberOfCellPixelComponents == 3 )
  {
    ....
  }
  ....
}

This suspicious code was found in ITK project by PVS-Studio static code analyzer.
Warning message is:
V517 The use of 'if (A) {...} else if (A) {...}' pattern was detected. There is a probability of logical error presence. Check lines: 948, 968. itkvtkpolydatameshio.h 948

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