(minor) Update package.json

Author: indexzero

package.json

@@ -4,7 +4,7 @@
   "url"           : "http://vowsjs.org",
   "keywords"      : ["testing", "spec", "test", "BDD"],
   "author"        : "Alexis Sellier <self@cloudhead.net>",
-  "contributors"  : [{ name: "Charlie Robbins", email: "charlie.robbins@gmail.com" }],
+  "contributors"  : [{ "name": "Charlie Robbins", "email": "charlie.robbins@gmail.com" }],
   "dependencies"  : {"eyes": ">=0.1.6"},
   "main"          : "./lib/vows",
   "bin"           : { "vows": "./bin/vows" },