PVS-Studio warning V547 for tracetool

static UINT_PTR m_socketHandle ;

void TTrace::LoopMessages(void)
{
  ...
  // Socket creation
  if ( (m_socketHandle = socket(AF_INET,SOCK_STREAM,0)) < 0)
  {
    continue;
  }
  ...
}

This suspicious code was found in tracetool project by PVS-Studio static code analyzer.
Warning message is:
V547 Expression '(m_socketHandle = socket (2, 1, 0)) < 0' is always false. Unsigned type value is never < 0. Vs8_Win_Lib tracetool.cpp 871

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