[gnome-flashback] display-config: pass correct parameter to set_power_save_mode

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 5d3e5a60e43fe66dd05f100a2f9fa6822a1a6bef
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Aug 4 02:03:36 2016 +0300

    display-config: pass correct parameter to set_power_save_mode

 .../libdisplay-config/flashback-display-config.c   |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gnome-flashback/libdisplay-config/flashback-display-config.c 
b/gnome-flashback/libdisplay-config/flashback-display-config.c
index d982625..cdecdbe 100644
--- a/gnome-flashback/libdisplay-config/flashback-display-config.c
+++ b/gnome-flashback/libdisplay-config/flashback-display-config.c
@@ -67,7 +67,7 @@ power_save_mode_changed (MetaDBusDisplayConfig *skeleton,
   /* If DPMS is unsupported, force the property back. */
   if (manager->power_save_mode == META_POWER_SAVE_UNSUPPORTED)
     {
-      meta_dbus_display_config_set_power_save_mode (META_DBUS_DISPLAY_CONFIG (manager), 
META_POWER_SAVE_UNSUPPORTED);
+      meta_dbus_display_config_set_power_save_mode (skeleton, META_POWER_SAVE_UNSUPPORTED);
       return;
     }