Plane: added support for throttle nudging with TECS

ArduPlane/ArduPlane.pde

@@ -1264,7 +1264,8 @@ static void update_alt()
         SpdHgt_Controller->update_pitch_throttle(target_altitude_cm - home.alt + (int32_t(g.alt_offset)*100), 
                                                  target_airspeed_cm,
                                                  (control_mode==AUTO && takeoff_complete == false), 
-                                                 takeoff_pitch_cd);
+                                                 takeoff_pitch_cd,
+                                                 throttle_nudge);
         if (g.log_bitmask & MASK_LOG_TECS) {
             Log_Write_TECS_Tuning();
         }