Copter: use radians(0.01f) to convert to radians from cd

Author: lthall

ArduCopter/mode.cpp

@@ -768,7 +768,7 @@ void Mode::land_run_horizontal_control()
         // interpolate for 1m above that
         const float attitude_limit_cd = linear_interpolate(700, copter.aparm.angle_max, get_alt_above_ground_cm(),
                                                      g2.wp_navalt_min*100U, (g2.wp_navalt_min+1)*100U);
-        const float thrust_vector_max = sinf(radians(attitude_limit_cd * 0.01f)) * GRAVITY_MSS * 100.0f;
+        const float thrust_vector_max = sinf(attitude_limit_cd * radians(0.01f)) * GRAVITY_MSS * 100.0f;
         const float thrust_vector_mag = thrust_vector.xy().length();
         if (thrust_vector_mag > thrust_vector_max) {
             float ratio = thrust_vector_max / thrust_vector_mag;