fix box2d warning (#312)

minggo · web-flow · commit 22c7f0ac0e57 · 2017-12-05T09:17:42.000+08:00
diff --git a/Box2D/include/Box2D/Dynamics/Joints/b2DistanceJoint.h b/Box2D/include/Box2D/Dynamics/Joints/b2DistanceJoint.h
@@ -99,7 +99,7 @@ class b2DistanceJoint : public b2Joint
 	float32 GetDampingRatio() const;
 
 	/// Dump joint to dmLog
-	void Dump();
+	void Dump() override;
 
 protected:
 
