[gnome-settings-daemon] updates: Fix a small memory leak when inhibiting the session

[Richard Hughes <rhughes src gnome org>]

commit e2e18f39c140ac1633d9cac974561367a62a7d39
Author: Richard Hughes <richard hughsie com>
Date:   Mon Jul 2 10:38:58 2012 +0100

    updates: Fix a small memory leak when inhibiting the session
    
    Resolves: https://bugzilla.gnome.org/show_bug.cgi?id=679097

 plugins/updates/gsd-updates-manager.c |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/plugins/updates/gsd-updates-manager.c b/plugins/updates/gsd-updates-manager.c
index a3d833f..fbfec41 100644
--- a/plugins/updates/gsd-updates-manager.c
+++ b/plugins/updates/gsd-updates-manager.c
@@ -189,6 +189,7 @@ show_offline_updates_error (GsdUpdatesManager *manager)
                                   dialog);
         gtk_widget_show (dialog);
         clear_offline_updates_message ();
+        g_string_free (msg, TRUE);
 }
 
 static void
@@ -956,7 +957,7 @@ session_inhibit (GsdUpdatesManager *manager)
 {
         const gchar *reason;
         GError *error = NULL;
-        GVariant *retval;
+        GVariant *retval = NULL;
 
         /* state invalid somehow */
         if (manager->priv->inhibit_cookie != 0) {
@@ -988,14 +989,15 @@ session_inhibit (GsdUpdatesManager *manager)
         g_variant_get (retval, "(u)",
                        &manager->priv->inhibit_cookie);
 out:
-        return;
+        if (retval != NULL)
+                g_variant_unref (retval);
 }
 
 static void
 session_uninhibit (GsdUpdatesManager *manager)
 {
         GError *error = NULL;
-        GVariant *retval;
+        GVariant *retval = NULL;
 
         /* state invalid somehow */
         if (manager->priv->inhibit_cookie == 0) {
@@ -1018,7 +1020,8 @@ session_uninhibit (GsdUpdatesManager *manager)
         }
 out:
         manager->priv->inhibit_cookie = 0;
-        return;
+        if (retval != NULL)
+                g_variant_unref (retval);
 }
 
 static void