tmj merge (broken)

DynObj.h

@@ -284,6 +284,7 @@ private:
     };
 
     struct powertrain_sounds {
+        sound_source inverter { sound_placement::engine };
         sound_source motor { sound_placement::external }; // generally traction motor
         double motor_volume { 0.0 }; // MC: pomocnicze zeby gladziej silnik buczal
         float motor_momentum { 0.f }; // recent change in motor revolutions