[Glitch] Run eslint --fix

I don't like it changing files this way, but it's basically what
c49213f0ea and a few others did.

app/javascript/flavours/glitch/features/ui/components/link_footer.js

@@ -44,7 +44,7 @@ class LinkFooter extends React.PureComponent {
     this.props.onLogout();
 
     return false;
-  }
+  };
 
   render () {
     const { signedIn, permissions } = this.context.identity;
@@ -93,4 +93,4 @@ class LinkFooter extends React.PureComponent {
     );
   }
 
-};
+}