message: FIX: order 0 water pre-correction seemed wrong
diff: @@ -82,7 +82,7 @@ void WaterPrecorrectionImageFilter<TInputImage,TOutputImage>
  itOut.GoToBegin();
  while ( !itIn.IsAtEnd() )
  {
  - itOut.Set( m_Coefficients[0] + itIn.Get() );
  + itOut.Set( m_Coefficients[0]);
  ++itIn;
  ++itOut;
  }
  