loginDialog: don't try to stop work spinner if it's already gone

This can happen if the dialog gets reset at the wrong moment.

https://bugzilla.gnome.org/show_bug.cgi?id=693757

diff --git a/js/gdm/loginDialog.js b/js/gdm/loginDialog.js
index d2b93ba729766e30f1d5a5ae4e5ced2169970b97..d41b520efdc1b136ce9efb25fdfab4d9aac1fa81 100644 (file)
--- a/js/gdm/loginDialog.js
+++ b/js/gdm/loginDialog.js
@@ -1063,7 +1063,8 @@ const LoginDialog = new Lang.Class({
                                transition: 'linear',
                                onCompleteScope: this,
                                onComplete: function() {
-                                   this._workSpinner.stop();
+                                   if (this._workSpinner)
+                                       this._workSpinner.stop();
                                }
                              });
         }