AP_AHRS_NavEKF: reflect changes to getMagOffsets

libraries/AP_AHRS/AP_AHRS_NavEKF.cpp

@@ -981,16 +981,16 @@ void AP_AHRS_NavEKF::getEkfControlLimits(float &ekfGndSpdLimit, float &ekfNavVel
 
 // get compass offset estimates
 // true if offsets are valid
-bool AP_AHRS_NavEKF::getMagOffsets(Vector3f &magOffsets)
+bool AP_AHRS_NavEKF::getMagOffsets(uint8_t mag_idx, Vector3f &magOffsets)
 {
     switch (ekf_type()) {
     case 0:
     case 1:
-        return EKF1.getMagOffsets(magOffsets);
+        return EKF1.getMagOffsets(mag_idx, magOffsets);
 
     case 2:
     default:
-        return EKF2.getMagOffsets(magOffsets);
+        return EKF2.getMagOffsets(mag_idx, magOffsets);
 
 #if CONFIG_HAL_BOARD == HAL_BOARD_SITL
     case EKF_TYPE_SITL:

libraries/AP_AHRS/AP_AHRS_NavEKF.h

@@ -164,7 +164,7 @@ public:
 
     // get compass offset estimates
     // true if offsets are valid
-    bool getMagOffsets(Vector3f &magOffsets);
+    bool getMagOffsets(uint8_t mag_idx, Vector3f &magOffsets);
 
     // report any reason for why the backend is refusing to initialise
     const char *prearm_failure_reason(void) const override;