message: mavlink_parameters: assigment operator for value
diff: @@ -26,6 +26,12 @@ public:
  public:
  typedef char custom_type_t[128];
  + ParamValue &operator= (ParamValue value)
  + {
  + _value = value._value;
  + return *this;
  + }
  +
  void set_from_mavlink_param_value(mavlink_param_value_t mavlink_value)
  {
  switch (mavlink_value.param_type) {
  