message: imgproc(resize): update checks (static analyzers)
diff: @@ -3782,9 +3782,9 @@ void cv::resize( InputArray _src, OutputArray _dst, Size dsize,
  Size ssize = _src.size();
  CV_Assert( !ssize.empty() );
  - CV_Assert( !dsize.empty() || (inv_scale_x > 0 && inv_scale_y > 0) );
  if( dsize.empty() )
  {
  + CV_Assert(inv_scale_x > 0); CV_Assert(inv_scale_y > 0);
  dsize = Size(saturate_cast<int>(ssize.width*inv_scale_x),
  saturate_cast<int>(ssize.height*inv_scale_y));
  CV_Assert( !dsize.empty() );
  @@ -3793,6 +3793,7 @@ void cv::resize( InputArray _src, OutputArray _dst, Size dsize,
  {
  inv_scale_x = (double)dsize.width/ssize.width;
  inv_scale_y = (double)dsize.height/ssize.height;
  + CV_Assert(inv_scale_x > 0); CV_Assert(inv_scale_y > 0);
  }
  if (interpolation == INTER_LINEAR_EXACT && (_src.depth() == CV_32F || _src.depth() == CV_64F))
  