[gnome-settings-daemon] power: Make "Screen when inactive" button work

[Bastien Nocera <hadess src gnome org>]

commit ce2cf0fc25faf3987348e4d13c50022e33ac244a
Author: Jean-Benoit MARTIN <jean-benoit martin eurogiciel fr>
Date:   Fri Apr 26 11:08:04 2013 +0200

    power: Make "Screen when inactive" button work
    
    "Dim screen" only got enabled if the "blank screen" timeout got changed,
    because of a missing check for the "idle-dim" settings key.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=697649

 plugins/power/gsd-power-manager.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/plugins/power/gsd-power-manager.c b/plugins/power/gsd-power-manager.c
index ebd60a6..fd4c904 100644
--- a/plugins/power/gsd-power-manager.c
+++ b/plugins/power/gsd-power-manager.c
@@ -3139,7 +3139,8 @@ engine_settings_key_changed_cb (GSettings *settings,
                 return;
         }
         if (g_str_has_prefix (key, "sleep-inactive") ||
-            g_str_equal (key, "idle-delay")) {
+            g_str_equal (key, "idle-delay") ||
+            g_str_equal (key, "idle-dim")) {
                 idle_configure (manager);
                 return;
         }