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-rw-r--r--browser/base/content/aboutDialog-appUpdater.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/browser/base/content/aboutDialog-appUpdater.js b/browser/base/content/aboutDialog-appUpdater.js
index 21bf83bc42..5a8cc0561b 100644
--- a/browser/base/content/aboutDialog-appUpdater.js
+++ b/browser/base/content/aboutDialog-appUpdater.js
@@ -28,7 +28,7 @@ var UPDATING_MIN_DISPLAY_TIME_MS = 1500;
var gAppUpdater;
-function onUnload(aEvent) {
+function onUnload(_aEvent) {
if (gAppUpdater) {
gAppUpdater.destroy();
gAppUpdater = null;