message: fix a compiler warning
diff: @@ -5136,7 +5136,7 @@ PCM::ErrorCode PCM::program(const RawPMUConfigs& curPMUConfigs_, const bool sile
  FixedEventControlRegister fixedReg;
  auto setOtherConf = [&conf, &fixedReg, &globalRegPos](const RawPMUConfig& corePMUConfig)
  {
  - if (globalRegPos < corePMUConfig.programmable.size())
  + if ((size_t)globalRegPos < corePMUConfig.programmable.size())
  {
  conf.OffcoreResponseMsrValue[0] = corePMUConfig.programmable[globalRegPos].first[OCR0Pos];
  conf.OffcoreResponseMsrValue[1] = corePMUConfig.programmable[globalRegPos].first[OCR1Pos];
  