AC_AttControl_Multi: get_althold_lean_angle_max uses motor thrust in 0 to 1 range

libraries/AC_AttitudeControl/AC_AttitudeControl_Multi.cpp

@@ -8,14 +8,14 @@
 float AC_AttitudeControl_Multi::get_althold_lean_angle_max() const
 {
     // calc maximum tilt angle based on throttle
-    float thr_max = _motors_multi.throttle_max();
+    float thr_max = _motors_multi.get_throttle_thrust_max();
 
     // divide by zero check
     if (is_zero(thr_max)) {
         return 0.0f;
     }
 
-    return ToDeg(acos(constrain_float(_throttle_in_filt.get()/(0.9f * thr_max / 1000.0f), 0.0f, 1000.0f) / 1000.0f)) * 100.0f;
+    return ToDeg(acos(constrain_float(_throttle_in_filt.get()/(0.9f * thr_max), 0.0f, 1.0f))) * 100.0f;
 }
 
 // returns a throttle including compensation for roll/pitch angle