small refactoring

core/glvertexobject.h

@@ -25,7 +25,6 @@
 
 class VertexObject
 {
-	friend class Mesh;
 public:
 	VertexObject();
 	~VertexObject();
@@ -57,7 +56,6 @@ private:
 	GLuint vao_;
 	Buffer buffer_obj, buffer_sel;
 	bool buffers_binded, objects_changed, selected_changed;
-
 };