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-rw-r--r--toolkit/mozapps/update/tests/browser/head.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/mozapps/update/tests/browser/head.js b/toolkit/mozapps/update/tests/browser/head.js
index a18a72e581..c5acdad8e4 100644
--- a/toolkit/mozapps/update/tests/browser/head.js
+++ b/toolkit/mozapps/update/tests/browser/head.js
@@ -487,7 +487,7 @@ function waitForAboutDialog() {
var domwindow = aXULWindow.docShell.domWindow;
domwindow.addEventListener("load", aboutDialogOnLoad, true);
},
- onCloseWindow: aXULWindow => {},
+ onCloseWindow: _aXULWindow => {},
};
Services.wm.addListener(listener);