fix require

lib/sqlite3.js

 var path = require('path');
 var pkg = require('../package.json');
 var module_path = path.join(
-     path.relative(__dirname,pkg.binary.module_path),
+     path.join(__dirname,'../' + pkg.binary.module_path),
      pkg.binary.module_name + '.node');
-var binding = require('./'+module_path);
+var binding = require(module_path);
 var sqlite3 = module.exports = exports = binding;
 var util = require('util');
 var EventEmitter = require('events').EventEmitter;