Plane: Use arming voltage

ArduPlane/Plane.h

@@ -117,8 +117,8 @@ class AP_Arming_Plane : public AP_Arming
 {
 public:
     AP_Arming_Plane(const AP_AHRS &ahrs_ref, const AP_Baro &baro, Compass &compass,
-                    const enum HomeState &home_set) :
-        AP_Arming(ahrs_ref, baro, compass, home_set) {
+                    const AP_BattMonitor &battery, const enum HomeState &home_set) :
+        AP_Arming(ahrs_ref, baro, compass, battery, home_set) {
             AP_Param::setup_object_defaults(this, var_info);
     }
     bool pre_arm_checks(bool report);
@@ -707,7 +707,7 @@ private:
 #endif
 
     // Arming/Disarming mangement class
-    AP_Arming_Plane arming {ahrs, barometer, compass, home_is_set };
+    AP_Arming_Plane arming {ahrs, barometer, compass, battery, home_is_set };
 
     AP_Param param_loader {var_info};