[gnome-system-tools] Fix hiding "encrypt home folder" option when not supported

[Milan Bouchet-Valat <milanbv src gnome org>]

commit 6e7aed8fde9190d2151b8904cbc80de629567abf
Author: Milan Bouchet-Valat <nalimilan club fr>
Date:   Tue Mar 23 12:08:54 2010 +0100

    Fix hiding "encrypt home folder" option when not supported
    
    Conditionally showing is not enough, we also need to hide the checkbox if encrypted home is not supported.

 src/users/user-settings.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/users/user-settings.c b/src/users/user-settings.c
index 9c8a5f8..e3863de 100644
--- a/src/users/user-settings.c
+++ b/src/users/user-settings.c
@@ -930,6 +930,8 @@ on_user_new (GtkButton *button, gpointer user_data)
 	/* Show the encrypt home check box if supported */
 	if (oobs_users_config_get_encrypted_home_support (users_config))
 	    gtk_widget_show (encrypted_home);
+	else
+	    gtk_widget_hide (encrypted_home);
 
 	gtk_window_set_focus (GTK_WINDOW (user_new_dialog), user_name);