one last lint

Author: timelyportfolio

src/snapshot/filesaver.js

@@ -19,7 +19,7 @@ License: https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md
 var fileSaver = function(url, name) {
     var saveLink = document.createElement('a');
     var canUseSaveLink = 'download' in saveLink;
-    var isSafari = /Version\/[\d\.]+.*Safari/.test(navigator.userAgent);  
+    var isSafari = /Version\/[\d\.]+.*Safari/.test(navigator.userAgent);
     var promise = new Promise(function(resolve, reject) {
         // IE <10 is explicitly unsupported
         if(typeof navigator !== 'undefined' && /MSIE [1-9]\./.test(navigator.userAgent)) {