Fix all JSHint complaints in Node.js code.

lib/cli.js

@@ -520,13 +520,13 @@ program
         , '--auth-url', util.format('http://localhost:%d/', options.authPort)
         , '--connect-sub', options.bindAppPub
         , '--connect-push', options.bindAppPull
-        ].concat(function() {
+        ].concat((function() {
           var extra = []
           if (options.disableWatch) {
             extra.push('--disable-watch')
           }
           return extra
-        }()))
+        })()))
     ]
 
     function shutdown() {