AC_AttitudeControl: clean up spacing

Co-authored-by: Peter Hall <[email protected]>

libraries/AC_AttitudeControl/AC_AttitudeControl_Heli.h

@@ -90,7 +90,7 @@ class AC_AttitudeControl_Heli : public AC_AttitudeControl {
     void input_thrust_vector_heading(const Vector3f& thrust_vector, float heading_angle_cd, float heading_rate_cds) override;
 
     // enable/disable inverted flight
-    void set_inverted_flight(bool inverted) override { _inverted_flight = inverted;}
+    void set_inverted_flight(bool inverted) override { _inverted_flight = inverted; }
 
     // accessor for inverted flight flag
     bool get_inverted_flight() override { return _inverted_flight; }