Update faye.js

Fix fs.writeFileSync The "data" argument must be of type string or an instance of Buffer, TypedArray, or DataView. Received type number (5063)

faye.js

@@ -41,7 +41,7 @@ if ( fs.existsSync(redisFilePath) ) {
 if ( !fs.existsSync("tmp") ) fs.mkdirSync("tmp");
 if ( !fs.existsSync("tmp") ) fs.mkdirSync("tmp");
 if ( !fs.existsSync("tmp/pids") ) fs.mkdirSync("tmp/pids");
 if ( !fs.existsSync("tmp/pids") ) fs.mkdirSync("tmp/pids");
 
 
-fs.writeFileSync('tmp/pids/faye.' + port + '.pid', process.pid);
+fs.writeFileSync('tmp/pids/faye.' + port + '.pid', String(process.pid));
 
 
 var server = http.createServer(),
 var server = http.createServer(),
     bayeux = new faye.NodeAdapter({
     bayeux = new faye.NodeAdapter({