strain is AS_OVF not anymore if byte 7th is "== 1" but "!= 0", so tha…

…t we can maintain compatibility with extra overflow information recently added in strain can messages.

src/libraries/icubmod/canBusAnalogSensor/CanBusAnalogSensor.cpp

@@ -489,7 +489,7 @@ void CanBusAnalogSensor::run()
                         }
                         else
                         {
-                            if (len==7 && buff[6] == 1)
+                            if ((len==7) && (buff[6] != 0)) // changed from "== 1" in order to maintain compatibility with extra overflow information in byte 6. 
                             {
                                 status=IAnalogSensor::AS_OVF;
                             }