AC-10685: [PCI] CSP enforced on payment pages

Author: tranthienbinh1989

lib/web/legacy-build.min.js

@@ -2813,7 +2813,7 @@ Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
     return isFunction;
   });
 
-  if (Prototype.Browser.IE && PROBLEMATIC_ATTRIBUTE_READING) {
+  if (Prototype.Browser.IE && PROBLEMATIC_ATTRIBUTE_READING()) {
     readAttribute = readAttribute_IE;
   } else if (Prototype.Browser.Opera) {
     readAttribute = readAttribute_Opera;