[gnome-shell/gnome-3-24] Don't use 'undefined' as boolean

[Florian Müllner <fmuellner src gnome org>]

commit 091fb4ba2e86c22a4469a62ddf8f87df16187e54
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Jun 13 06:49:07 2017 +0200

    Don't use 'undefined' as boolean
    
    Make sure we pass a proper false value instead of undefined to
    avoid warnings.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=781471

 js/ui/keyboard.js           |    2 +-
 js/ui/notificationDaemon.js |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/js/ui/keyboard.js b/js/ui/keyboard.js
index 4af1f1a..6c43888 100644
--- a/js/ui/keyboard.js
+++ b/js/ui/keyboard.js
@@ -570,7 +570,7 @@ const Keyboard = new Lang.Class({
     shouldTakeEvent: function(event) {
         let actor = event.get_source();
         return Main.layoutManager.keyboardBox.contains(actor) ||
-               actor._extended_keys || actor.extended_key;
+               !!actor._extended_keys || !!actor.extended_key;
     },
 
     _clearKeyboardRestTimer: function() {
diff --git a/js/ui/notificationDaemon.js b/js/ui/notificationDaemon.js
index 6209625..315bfdb 100644
--- a/js/ui/notificationDaemon.js
+++ b/js/ui/notificationDaemon.js
@@ -391,10 +391,10 @@ const FdoNotificationDaemon = new Lang.Class({
                 notification.setUrgency(MessageTray.Urgency.CRITICAL);
                 break;
         }
-        notification.setResident(hints.resident == true);
+        notification.setResident(!!hints.resident);
         // 'transient' is a reserved keyword in JS, so we have to retrieve the value
         // of the 'transient' hint with hints['transient'] rather than hints.transient
-        notification.setTransient(hints['transient'] == true);
+        notification.setTransient(!!hints['transient']);
 
         let sourceGIcon = source.useNotificationIcon ? gicon : null;
         source.processNotification(notification, sourceGIcon);