Fixed export-function signature being scrambled.

src/util-frontend.js

@@ -24,14 +24,14 @@ function getTimezoneOffset(timeZone) {
     return -offset;
 }
 
-export /**
+/**
 * Returns a list of timezones sorted by their offset from UTC.
 * @param {Array} timezones - An array of timezone objects.
 * @returns {Array} A list of the given timezones sorted by their offset from UTC.
 *
 * Generated by Trelent
 */
-function timezoneList() {
+export function timezoneList() {
     let result = [];
 
     for (let timezone of timezones) {