PVS-Studio warning V570 for OpenCV

typedef struct CvStereoCamera
{
 ....
 float fundMatr[9]; /* fundamental matrix */
 ....
};

CvStereoCamera stereo;

void CvCalibFilter::Stop( bool calibrate )
{
  ....
  for( i = 0; i < 9; i++ )
  {
    stereo.fundMatr[i] = stereo.fundMatr[i];
  }
  ....
}

This suspicious code was found in OpenCV project by PVS-Studio static code analyzer.
Warning message is:
V570 The 'stereo.fundMatr[i]' variable is assigned to itself. calibfilter.cpp 339

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/