1.1 --- a/Hardware/SensorVisitor.cs	Tue Sep 21 10:33:28 2010 +0000
     1.2 +++ b/Hardware/SensorVisitor.cs	Tue Sep 21 20:32:36 2010 +0000
     1.3 @@ -41,7 +41,7 @@
     1.4  namespace OpenHardwareMonitor.Hardware {
     1.5  
     1.6    public class SensorVisitor : IVisitor {
     1.7 -    private SensorEventHandler handler;
     1.8 +    private readonly SensorEventHandler handler;
     1.9  
    1.10      public SensorVisitor(SensorEventHandler handler) {
    1.11        if (handler == null)