[gnome-shell] screenShield: Fix typo

[Jasper St. Pierre <jstpierre src gnome org>]

commit b37e02c90a483d91780dcfa04dfac9b7b9ad7a1a
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Sep 3 21:51:53 2012 -0300

    screenShield: Fix typo
    
    We aren't French, no matter how much we may want to be.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=683305

 js/ui/screenShield.js |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/screenShield.js b/js/ui/screenShield.js
index 9642ed9..2d6c2e6 100644
--- a/js/ui/screenShield.js
+++ b/js/ui/screenShield.js
@@ -27,7 +27,7 @@ const LOCK_ENABLED_KEY = 'lock-enabled';
 const CURTAIN_SLIDE_TIME = 0.5;
 // fraction of screen height the arrow must reach before completing
 // the slide up automatically
-const ARROW_DRAG_TRESHOLD = 0.1;
+const ARROW_DRAG_THRESHOLD = 0.1;
 
 // Parameters for the arrow animation
 const N_ARROWS = 3;
@@ -496,7 +496,7 @@ const ScreenShield = new Lang.Class({
     },
 
     _onDragEnd: function(action, actor, eventX, eventY, modifiers) {
-        if (this._lockScreenGroup.y < -(ARROW_DRAG_TRESHOLD * global.stage.height)) {
+        if (this._lockScreenGroup.y < -(ARROW_DRAG_THRESHOLD * global.stage.height)) {
             // Complete motion automatically
             this._hideLockScreen(true);
         } else {