[gdm] gui/simple-greeter: Fix minor compiler warnings

[Colin Walters <walters src gnome org>]

commit f2db409a3e1294c5a95475c7f18d192b76d3cd24
Author: Colin Walters <walters verbum org>
Date:   Mon Dec 3 14:12:14 2012 -0500

    gui/simple-greeter: Fix minor compiler warnings
    
    Unused variables.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=689569

 .../extensions/smartcard/gdm-smartcard-extension.c |    4 +---
 gui/simple-greeter/gdm-chooser-widget.c            |    2 +-
 2 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/gui/simple-greeter/extensions/smartcard/gdm-smartcard-extension.c b/gui/simple-greeter/extensions/smartcard/gdm-smartcard-extension.c
index faaca8d..eb33f78 100644
--- a/gui/simple-greeter/extensions/smartcard/gdm-smartcard-extension.c
+++ b/gui/simple-greeter/extensions/smartcard/gdm-smartcard-extension.c
@@ -425,9 +425,7 @@ gdm_smartcard_extension_is_visible (GdmLoginExtension *login_extension)
 {
         GdmSmartcardExtension *extension = GDM_SMARTCARD_EXTENSION (login_extension);
 
-        char *contents, **lines, *pid_dir;
-        gboolean ret;
-        guint i;
+        char *contents, *pid_dir;
         pid_t pid;
 
         if (!g_settings_get_boolean (extension->priv->settings, "enable-smartcard-authentication")) {
diff --git a/gui/simple-greeter/gdm-chooser-widget.c b/gui/simple-greeter/gdm-chooser-widget.c
index e49ddc9..cab506c 100644
--- a/gui/simple-greeter/gdm-chooser-widget.c
+++ b/gui/simple-greeter/gdm-chooser-widget.c
@@ -699,7 +699,7 @@ update_chooser_visibility (GdmChooserWidget *widget)
 
         if (gdm_chooser_widget_get_number_of_items (widget) > 0) {
                 gtk_widget_show (widget->priv->frame);
-                set_chooser_list_visible (widget, gtk_widget_get_visible (widget));
+                set_chooser_list_visible (widget, gtk_widget_get_visible (GTK_WIDGET (widget)));
         } else {
                 gtk_widget_hide (widget->priv->frame);
                 set_chooser_list_visible (widget, FALSE);