Issue 3955 - Set required ABP version properly when exporting filter lists with CSS property filters

chrome/content/ui/utils.js

Index: chrome/content/ui/utils.js
===================================================================
--- a/chrome/content/ui/utils.js
+++ b/chrome/content/ui/utils.js
@@ -30,17 +30,18 @@ function require(/**String*/ module)
   var result = {};
   result.wrappedJSObject = result;
   Services.obs.notifyObservers(result, "adblockplus-require", module);
   return result.exports;
 }
 
 var {Policy} = require("contentPolicy");
 var {Filter, InvalidFilter, CommentFilter, ActiveFilter, RegExpFilter,
-     BlockingFilter, WhitelistFilter, ElemHideBase, ElemHideFilter, ElemHideException} = require("filterClasses");
+     BlockingFilter, WhitelistFilter, ElemHideBase, ElemHideFilter,
+     ElemHideException, CSSPropertyFilter} = require("filterClasses");
 var {FilterNotifier} = require("filterNotifier");
 var {FilterStorage} = require("filterStorage");
 var {IO} = require("io");
 var {defaultMatcher, Matcher, CombinedMatcher} = require("matcher");
 var {Prefs} = require("prefs");
 var {RequestNotifier} = require("requestNotifier");
 var {Subscription, SpecialSubscription, RegularSubscription,
      ExternalSubscription, DownloadableSubscription} = require("subscriptionClasses");