Function declaration without name on zoom.min.js

Hi! i resently install your plugin, and i note on firebug’s log, that on line 42 ther are this:

function m(a, b) {
        return

        function () {
            return a.apply(b, arguments)
        }
    }

what is the name that suposed to be there?

https://wordpress.org/plugins/flip-pong-v/