Fix the most obvious compile warnings

src/modules/navigator/navigator.h

@@ -222,5 +222,11 @@ private:
 	 * Publish a new position setpoint triplet for position controllers
 	 */
 	void		publish_position_setpoint_triplet();
+
+	/* this class has ptr data members, so it should not be copied,
+	 * consequently the copy constructors are private.
+	 */
+	Navigator(const Navigator&);
+	Navigator operator=(const Navigator&);
 };
 #endif

src/modules/navigator/navigator_main.cpp

@@ -106,16 +106,16 @@ Navigator::Navigator() :
 	_onboard_mission_sub(-1),
 	_offboard_mission_sub(-1),
 	_pos_sp_triplet_pub(-1),
-	_vstatus({}),
-	_control_mode({}),
-	_global_pos({}),
-	_home_pos({}),
-	_mission_item({}),
-	_nav_caps({}),
-	_pos_sp_triplet({}),
+	_vstatus{},
+	_control_mode{},
+	_global_pos{},
+	_home_pos{},
+	_mission_item{},
+	_nav_caps{},
+	_pos_sp_triplet{},
 	_mission_item_valid(false),
 	_loop_perf(perf_alloc(PC_ELAPSED, "navigator")),
-	_geofence({}),
+	_geofence{},
 	_geofence_violation_warning_sent(false),
 	_fence_valid(false),
 	_inside_fence(true),

src/modules/navigator/navigator_mode.h

@@ -88,6 +88,12 @@ protected:
 
 private:
 	bool _first_run;
+
+	/* this class has ptr data members, so it should not be copied,
+	 * consequently the copy constructors are private.
+	 */
+	NavigatorMode(const NavigatorMode&);
+	NavigatorMode operator=(const NavigatorMode&);
 };
 
 #endif