PVS-Studio warning V530 for MTASA

std::map < SString, SFunctionTimingInfo > m_TimingMap;

void CPerfStatFunctionTimingImpl::DoPulse ( void )
{
  ....
  // Do nothing if not active
  if ( !m_bIsActive )
  {
    m_TimingMap.empty ();
    return;
  }
  ....
}

This suspicious code was found in MTASA project by PVS-Studio static code analyzer.
Warning message is:
V530 The return value of function 'empty' is required to be utilized. cperfstat.functiontiming.cpp 197

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