Issue reporter: include version number of the filter subscription in the data

chrome/content/ui/sendReport.js

Index: chrome/content/ui/sendReport.js
===================================================================
--- a/chrome/content/ui/sendReport.js
+++ b/chrome/content/ui/sendReport.js
@@ -293,16 +293,18 @@ let subscriptionsDataSource =
       let subscription = FilterStorage.subscriptions[i];
       if (!this.subscriptionFilter(subscription))
         continue;
 
       let subscriptionXML = appendElement(subscriptions, "subscription", {
         id: subscription.url,
         disabledFilters: subscription.filters.filter(function(filter) filter instanceof ActiveFilter && filter.disabled).length
       });
+      if (subscription.version)
+        subscriptionXML.setAttribute("version", subscription.version);
       if (subscription.lastDownload)
         subscriptionXML.setAttribute("lastDownloadAttempt", subscription.lastDownload - now);
       if (subscription instanceof DownloadableSubscription)
       {
         if (subscription.lastSuccess)
           subscriptionXML.setAttribute("lastDownloadSuccess", subscription.lastSuccess - now);
         if (subscription.softExpiration)
           subscriptionXML.setAttribute("softExpiration", subscription.softExpiration - now);