AP_Compass: fix calibrator update when step one fails

libraries/AP_Compass/CompassCalibrator.cpp

@@ -203,8 +203,9 @@ void CompassCalibrator::update(bool &failure)
             if (is_equal(_fitness, _initial_fitness) || isnan(_fitness)) {  // if true, means that fitness is diverging instead of converging
                 set_status(COMPASS_CAL_FAILED);
                 failure = true;
-            }
+            } else {
                 set_status(COMPASS_CAL_RUNNING_STEP_TWO);
+            }
         } else {
             if (_fit_step == 0) {
                 calc_initial_offset();