PVS-Studio warning V607 for UnrealEngine4

void FNativeClassHeaderGenerator::ExportProperties(....)
{
  ....
  int32 NumByteProperties = 0;
  ....
  if (bIsByteProperty)
  {
    NumByteProperties;
  }
  ....
}

This suspicious code was found in UnrealEngine4 project by PVS-Studio static code analyzer.
Warning message is:
V607 Ownerless expression 'NumByteProperties'. codegenerator.cpp 633

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