Noissue - Fix the escaping of '{' and '}' in CSS selectors

lib/filterClasses.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 891 matching lines @@
 {
   ActiveFilter.call(this, text, domains || null);
 
   if (domains)
   {
     this.selectorDomain = domains.replace(/,~[^,]+/g, "")
                                  .replace(/^~[^,]+,?/, "").toLowerCase();
   }
 
   // Braces are being escaped to prevent CSS rule injection.
-  this.selector = selector.replace("{", "\\x7B ").replace("}", "\\x7D ");
+  this.selector = selector.replace("{", "\\7B ").replace("}", "\\7D ");
 }
 exports.ElemHideBase = ElemHideBase;
 
 ElemHideBase.prototype = extend(ActiveFilter, {
   /**
    * @see ActiveFilter.domainSeparator
    */
   domainSeparator: ",",
 
   /**
@@ skipping 96 matching lines @@
  */
 function ElemHideEmulationFilter(text, domains, selector)
 {
   ElemHideBase.call(this, text, domains, selector);
 }
 exports.ElemHideEmulationFilter = ElemHideEmulationFilter;
 
 ElemHideEmulationFilter.prototype = extend(ElemHideBase, {
   type: "elemhideemulation"
 });