[TASK] 1604 add missing semicolon

Resources/Public/JavaScript/Newsletter.js

@@ -43,7 +43,7 @@ define([
 				$('#sgMail-newsletter-form > div.form-group input[type=submit]').each(function (index, element) {
 				 	$(element).prop('disabled', true);
 				})
-			})
+			});
 		}
 	}