Remove LinesDraw class definition from LinesDraw.cpp !

Code:
#include "stdafx.h"
#define GLUT_DISABLE_ATEXIT_HACK
#include <windows.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glaux.h>
#include <GL/glut.h>
#include "LinesDraw.h"
using namespace Cosgen;

/*
class LinesDraw{
	public: 
		LinesDraw();
		~LinesDraw();
		//void hello();
		int num;
};
*/

LinesDraw::LinesDraw(){num=1;}
LinesDraw::~LinesDraw(){num=0;}
void LinesDraw::hello(){ int hello_num=0; }