[gnome-shell] barLevel: Fix value range

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 52c2417685508a93f6a926c9ebe24c94e1183dbc
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Aug 7 14:33:08 2019 +0200

    barLevel: Fix value range
    
    The range is usually within [0, 1], but since we support overdrive
    as well, the upper limit must be the maximum value we allow for
    overdrive.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/670

 js/ui/barLevel.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/js/ui/barLevel.js b/js/ui/barLevel.js
index 90fd20b62..489aec5d2 100644
--- a/js/ui/barLevel.js
+++ b/js/ui/barLevel.js
@@ -8,7 +8,7 @@ var BarLevel = GObject.registerClass({
         'value': GObject.ParamSpec.double(
             'value', 'value', 'value',
             GObject.ParamFlags.READWRITE,
-            0, 1, 0),
+            0, 2, 0),
         'maximum-value': GObject.ParamSpec.double(
             'maximum-value', 'maximum-value', 'maximum-value',
             GObject.ParamFlags.READWRITE,