[gnome-shell] gdm: fix missing braces

[Owen Taylor <otaylor src gnome org>]

commit 6a969b934ff36df8133f6ab7ac97ff6bc48ac702
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Thu Oct 9 14:25:48 2014 -0400

    gdm: fix missing braces
    
    Incorrect braces meant that if the ShellUserVerifier was destroyed before
    the call to fprintManager.GetDefaultDeviceRemote(), the reply would result in
    an error.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=738256

 js/gdm/util.js |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/js/gdm/util.js b/js/gdm/util.js
index 6ddd371..4bfaf7c 100644
--- a/js/gdm/util.js
+++ b/js/gdm/util.js
@@ -300,9 +300,10 @@ const ShellUserVerifier = new Lang.Class({
 
         this._fprintManager.GetDefaultDeviceRemote(Gio.DBusCallFlags.NONE, this._cancellable, Lang.bind(this,
             function(device, error) {
-                if (!error && device)
+                if (!error && device) {
                     this._haveFingerprintReader = true;
                     this._updateDefaultService();
+                }
             }));
     },