SW-546: Use a proper C++-style cast instead of a C-style cast

RTCP/Cobalt/OutputProc/src/TBB_Writer.cc

@@ -102,7 +102,7 @@ namespace LOFAR
 
     double TBB_Writer::subbandCentralFreq(unsigned subbandNr, unsigned nyquistZone, double sampleFreq)
     {
-      return (nyquistZone - 1 + (double)subbandNr / RSP_NR_SUBBANDS) * sampleFreq * 0.5;
+      return (nyquistZone - 1 + static_cast< double >(subbandNr) / RSP_NR_SUBBANDS) * sampleFreq * 0.5;
     }
 
     TBB_Station *TBB_Writer::getStation(const TBB_Header& header)