Parses the status for a scan_results request.

@private
@static
@category wpa_cli
@param {function} callback The callback function.
function parse_scan_results_interface(callback) {
    return function(error, stdout, stderr) {
        if (error) {
            callback(error);
        } else {
            callback(error, parse_scan_results(stdout.trim()));
        }
    };
}