[gnome-control-center] user-accounts: don't crash when closing fingerprint dialog

[Ondrej Holy <oholy src gnome org>]

commit af93bb814eefb3a6b28e8c6125c0fe29d7391744
Author: Ondrej Holy <oholy redhat com>
Date:   Wed Dec 17 11:06:35 2014 +0100

    user-accounts: don't crash when closing fingerprint dialog
    
    Enroll data are used after destroying when closing dialog. It causes
    crash while setting label. Therefor we have to store the pointer for
    fingerprint button and use it to set the label after destroying the
    data.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=741635

 panels/user-accounts/um-fingerprint-dialog.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/panels/user-accounts/um-fingerprint-dialog.c b/panels/user-accounts/um-fingerprint-dialog.c
index 04e96b3..04a85ba 100644
--- a/panels/user-accounts/um-fingerprint-dialog.c
+++ b/panels/user-accounts/um-fingerprint-dialog.c
@@ -420,8 +420,10 @@ finger_combobox_changed (GtkComboBox *combobox, EnrollData *data)
 static void
 assistant_cancelled (GtkAssistant *ass, EnrollData *data)
 {
+        GtkWidget *editable_button = data->editable_button;
+
         enroll_data_destroy (data);
-        set_fingerprint_label (data->editable_button);
+        set_fingerprint_label (editable_button);
 }
 
 static void