Copter: correct compilation when CIRCLE mode is disabled

ArduCopter/autoyaw.cpp

@@ -202,9 +202,11 @@ float Mode::AutoYaw::yaw()
         return copter.initial_armed_bearing;
 
     case AUTO_YAW_CIRCLE:
+#if MODE_CIRCLE_ENABLED
         if (copter.circle_nav->is_active()) {
             return copter.circle_nav->get_yaw();
         }
+#endif
         // return the current attitude target
         return wrap_360_cd(copter.attitude_control->get_att_target_euler_cd().z);
 

ArduCopter/sensors.cpp

@@ -94,7 +94,9 @@ void Copter::read_rangefinder(void)
         if (rf_orient == ROTATION_PITCH_270) {
             if (rangefinder_state.alt_healthy || timed_out) {
                 wp_nav->set_rangefinder_alt(rangefinder_state.enabled, rangefinder_state.alt_healthy, rangefinder_state.alt_cm_filt.get());
+#if MODE_CIRCLE_ENABLED
                 circle_nav->set_rangefinder_alt(rangefinder_state.enabled && wp_nav->rangefinder_used(), rangefinder_state.alt_healthy, rangefinder_state.alt_cm_filt.get());
+#endif
             }
         }
     }