[gnome-shell-extensions] window-list: Fix stupid thinko

[Florian Müllner <fmuellner src gnome org>]

commit f93234e442492ecd1288d70fdfc387fff157ea7e
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri May 23 00:59:42 2014 +0200

    window-list: Fix stupid thinko
    
    Without special casing the start value of 0, we did not reduce
    to the minimum stable sequence of app windows, but 0.

 extensions/window-list/extension.js |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/extensions/window-list/extension.js b/extensions/window-list/extension.js
index 9a1c08d..19bade7 100644
--- a/extensions/window-list/extension.js
+++ b/extensions/window-list/extension.js
@@ -59,7 +59,8 @@ function _onMenuStateChanged(menu, isOpen) {
 
 function _getAppStableSequence(app) {
     return app.get_windows().reduce(function(prev, cur) {
-        return Math.min(prev, cur.get_stable_sequence());
+        let seq = cur.get_stable_sequence();
+        return prev ? Math.min(prev, seq) : seq;
     }, 0);
 }