Update this file (#12098)

This will solve the problem Piwik is having right now when trying to change the frequency Piwik uses to delete old data in database.

plugins/PrivacyManager/angularjs/schedule-report-deletion/schedule-report-deletion.controller.js

@@ -19,7 +19,7 @@
 
         this.save = function () {
             var method = 'PrivacyManager.setScheduleReportDeletionSettings';
-            reportDeletionModel.model.savePurageDataSettings(this, method, {
+            self.model.savePurageDataSettings(this, method, {
                 deleteLowestInterval: this.deleteLowestInterval
             });
         };
@@ -62,4 +62,4 @@
         };
 
     }
-})();
+})();
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