[gnome-shell/wip/rstrode/rhel-7.9: 77/86] appDisplay: Add missing semicolon

[Ray Strode <halfline src gnome org>]

commit b77222dc6e3e912fe06d697b8064e9d5b25d4917
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Jul 23 19:42:16 2019 +0200

    appDisplay: Add missing semicolon
    
    This slipped through in commit eaa320 ...
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/640

 js/ui/appDisplay.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index 8def0897f4..e9c12462d0 100644
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -158,8 +158,9 @@ var BaseAppView = new Lang.Class({
 
     addItem(icon) {
         let id = icon.id;
+
         if (this.hasItem(id))
-            throw new Error(`icon with id ${id} already added to view`)
+            throw new Error(`icon with id ${id} already added to view`);
 
         this._allItems.push(icon);
         this._items[id] = icon;