SITL: minor format changes for sailboat

libraries/SITL/SIM_Sailboat.h

@@ -52,6 +52,9 @@ private:
     // return lateral acceleration in m/s/s given a steering input (in the range -1 to +1) and speed in m/s
     float get_lat_accel(float steering, float speed) const;
 
+    // simulate waves and swell
+    void update_wave(float delta_time);
+
     float steering_angle_max;   // vehicle steering mechanism's max angle in degrees
     float turning_circle;       // vehicle minimum turning circle diameter in meters
 
@@ -63,13 +66,9 @@ private:
     const float mass = 2.0f;
 
     Vector3f velocity_ef_water; // m/s
-
-    // simulate basic waves / swell
-    void update_wave(float delta_time);
-    Vector3f wave_gyro; // rad/s
-    float wave_heave; // m/s/s
-    float wave_phase; // rads
-
+    Vector3f wave_gyro;         // rad/s
+    float wave_heave;           // m/s/s
+    float wave_phase;           // rads
 };
 
 } // namespace SITL