global: use static method to construct RangeFinder

APMrover2/Rover.h

@@ -155,7 +155,7 @@ private:
     AP_Baro barometer = AP_Baro::create();
     Compass compass = Compass::create();
     AP_InertialSensor ins = AP_InertialSensor::create();
-    RangeFinder rangefinder { serial_manager, ROTATION_NONE };
+    RangeFinder rangefinder = RangeFinder::create(serial_manager, ROTATION_NONE);
     AP_Button button;
 
     // flight modes convenience array

AntennaTracker/Tracker.h

@@ -112,7 +112,7 @@ private:
 
     AP_InertialSensor ins = AP_InertialSensor::create();
 
-    RangeFinder rng {serial_manager, ROTATION_NONE};
+    RangeFinder rng = RangeFinder::create(serial_manager, ROTATION_NONE);
 
 // Inertial Navigation EKF
 #if AP_AHRS_NAVEKF_AVAILABLE

ArduCopter/Copter.h

@@ -201,7 +201,7 @@ private:
     Compass compass = Compass::create();
     AP_InertialSensor ins = AP_InertialSensor::create();
 
-    RangeFinder rangefinder {serial_manager, ROTATION_PITCH_270};
+    RangeFinder rangefinder = RangeFinder::create(serial_manager, ROTATION_PITCH_270);
     struct {
         bool enabled:1;
         bool alt_healthy:1; // true if we can trust the altitude from the rangefinder

ArduPlane/Plane.h

@@ -205,7 +205,7 @@ private:
 
     AP_InertialSensor ins = AP_InertialSensor::create();
 
-    RangeFinder rangefinder {serial_manager, ROTATION_PITCH_270};
+    RangeFinder rangefinder = RangeFinder::create(serial_manager, ROTATION_PITCH_270);
 
     AP_Vehicle::FixedWing::Rangefinder_State rangefinder_state;
 

ArduSub/Sub.h

@@ -170,7 +170,7 @@ private:
     Compass compass = Compass::create();
     AP_InertialSensor ins = AP_InertialSensor::create();
 
-    RangeFinder rangefinder {serial_manager, ROTATION_PITCH_270};
+    RangeFinder rangefinder = RangeFinder::create(serial_manager, ROTATION_PITCH_270);
     struct {
         bool enabled:1;
         bool alt_healthy:1; // true if we can trust the altitude from the rangefinder

Tools/Replay/Replay.h

@@ -63,7 +63,7 @@ public:
     AP_GPS gps = AP_GPS::create();
     Compass compass = Compass::create();
     AP_SerialManager serial_manager;
-    RangeFinder rng {serial_manager, ROTATION_PITCH_270};
+    RangeFinder rng = RangeFinder::create(serial_manager, ROTATION_PITCH_270);
     NavEKF2 EKF2{&ahrs, barometer, rng};
     NavEKF3 EKF3{&ahrs, barometer, rng};
     AP_AHRS_NavEKF ahrs {ins, barometer, gps, rng, EKF2, EKF3};

libraries/AP_AHRS/examples/AHRS_Test/AHRS_Test.cpp

@@ -23,7 +23,7 @@ AP_SerialManager serial_manager;
 
 class DummyVehicle {
 public:
-    RangeFinder sonar {serial_manager, ROTATION_PITCH_270};
+    RangeFinder sonar = RangeFinder::create(serial_manager, ROTATION_PITCH_270);
     AP_AHRS_NavEKF ahrs{ins, barometer, gps, sonar, EKF2, EKF3,
                         AP_AHRS_NavEKF::FLAG_ALWAYS_USE_EKF};
     NavEKF2 EKF2{&ahrs, barometer, sonar};

libraries/AP_OpticalFlow/examples/AP_OpticalFlow_test/AP_OpticalFlow_test.cpp

@@ -26,7 +26,7 @@ public:
     Compass compass = Compass::create();
     AP_InertialSensor ins = AP_InertialSensor::create();
     AP_SerialManager serial_manager;
-    RangeFinder sonar {serial_manager, ROTATION_PITCH_270};
+    RangeFinder sonar = RangeFinder::create(serial_manager, ROTATION_PITCH_270);
     AP_AHRS_NavEKF ahrs{ins, barometer, gps, sonar, EKF2, EKF3,
                         AP_AHRS_NavEKF::FLAG_ALWAYS_USE_EKF};
     NavEKF2 EKF2{&ahrs, barometer, sonar};

libraries/AP_RangeFinder/examples/RFIND_test/RFIND_test.cpp

@@ -11,7 +11,7 @@ void loop();
 const AP_HAL::HAL& hal = AP_HAL::get_HAL();
 
 static AP_SerialManager serial_manager;
-static RangeFinder sonar {serial_manager, ROTATION_PITCH_270};
+static RangeFinder sonar = RangeFinder::create(serial_manager, ROTATION_PITCH_270);
 
 void setup()
 {