typo

src/services.js

@@ -769,10 +769,10 @@ function exportDatabase(addon, callback) {
         return callback(null);
     }
 
-    appdb.getAll(function (error, apps) {
+    appdb.getAll(function (error, allApps) {
         if (error) return callback(error);
 
-        async.eachSeries(apps, function iterator (app, iteratorCallback) {
+        async.eachSeries(allApps, function iterator (app, iteratorCallback) {
             if (!app.manifest.addons || !(addon in app.manifest.addons)) return iteratorCallback(); // app doesn't use the addon
 
             debug(`exportDatabase: Exporting addon ${addon} of app ${app.id}`);