Kill trailing whitespaces in javascript files

app/assets/javascripts/cookie.js

@@ -1,6 +1,6 @@
 (function() {
   Danbooru.Cookie = {};
-  
+
   Danbooru.Cookie.put = function(name, value, days) {
     if (days == null) {
       days = 365;
@@ -11,7 +11,7 @@
     var expires = "; expires=" + date.toGMTString();
     document.cookie = name + "=" + encodeURIComponent(value) + expires + "; path=/";
   }
-  
+
   Danbooru.Cookie.raw_get = function(name) {
     var nameEq = name + "=";
     var ca = document.cookie.split(";");
@@ -30,11 +30,11 @@
 
     return "";
   }
-  
+
   Danbooru.Cookie.get = function(name) {
     return this.unescape(this.raw_get(name));
   }
-  
+
   Danbooru.Cookie.remove = function(name) {
     this.put(name, "", -1);
   }
@@ -45,7 +45,7 @@
 
   Danbooru.Cookie.initialize = function() {
     var loc = location.href;
-    
+
     if (loc.match(/^http/)) {
       loc = loc.replace(/^https?:\/\/[^\/]+/, "")
     }