Adds a missing semicolon from last commit

e3a83a0b · Mark Stenglein · fafe7d32 · e3a83a0b
Commit e3a83a0b authored Feb 15, 2017 by Mark Stenglein
--- a/lib/timezone.js
+++ b/lib/timezone.js
@@ -7,4 +7,4 @@
 */
 var ICalTimezone = function(_data, calendar) {
  var attributes;
-}
+};