toolbox: fix missing key prop

Fixes a React warning.
2020-07-03 10:29:00 +02:00 · 2020-07-03 10:29:00 +02:00 · a7e0df2623
parent da9a70129e
commit a7e0df2623
1 changed files with 5 additions and 1 deletions
--- a/react/features/toolbox/components/web/Toolbox.js
+++ b/react/features/toolbox/components/web/Toolbox.js
@ -1083,7 +1083,11 @@ class Toolbox extends Component<Props, State> {
                        } />
                );
            case 'closedcaptions':
-                return <ClosedCaptionButton showLabel = { true } />;
+                return (
+                    <ClosedCaptionButton
+                        key = 'closed-captions'
+                        showLabel = { true } />
+                );
            case 'security':
                return (
                    <SecurityDialogButton