package.json is not compatible with latest npm

[kcbanner]

It seems that package.json isn't valid JSON (extra comma, line 3)

info it worked if it ends with ok
verbose cli [ 'node', '/home/kcbanner/local/node/bin/npm', 'link' ]
info using [email protected]
info using [email protected]
verbose config file /home/kcbanner/.npmrc
verbose config file /home/kcbanner/local/node/etc/npmrc
ERR! Failed to parse json
ERR! Unexpected token ,
ERR! File: /home/kcbanner/kit/socket.io/package.json
ERR! JSON.parse Failed to parse package.json data.
ERR! JSON.parse package.json must be actual JSON, not just JavaScript.
ERR! JSON.parse This is not a bug in npm.
ERR! JSON.parse Tell the package author to fix their package.json file.
ERR! 
ERR! command "node" "/home/kcbanner/local/node/bin/npm" "link"
verbose exit [ 1, true ]