[mutter] Rename META_POWER_SAVE_UNKNOWN to UNSUPPORTED

[Giovanni Campagna <gcampagna src gnome org>]

commit cacdaa00674d85d50d7e8a1e23947c48e1907db3
Author: Giovanni Campagna <gcampagn redhat com>
Date:   Mon Sep 9 13:12:20 2013 +0200

    Rename META_POWER_SAVE_UNKNOWN to UNSUPPORTED
    
    It conveys more clearly what this value means.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=707649

 src/core/meta-xrandr-shared.h |    2 +-
 src/core/monitor-xrandr.c     |    4 ++--
 src/core/monitor.c            |    4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)
---
diff --git a/src/core/meta-xrandr-shared.h b/src/core/meta-xrandr-shared.h
index c98f581..827876a 100644
--- a/src/core/meta-xrandr-shared.h
+++ b/src/core/meta-xrandr-shared.h
@@ -30,7 +30,7 @@
 #define META_XRANDR_SHARED_H
 
 typedef enum {
-  META_POWER_SAVE_UNKNOWN = -1,
+  META_POWER_SAVE_UNSUPPORTED = -1,
   META_POWER_SAVE_ON = 0,
   META_POWER_SAVE_STANDBY,
   META_POWER_SAVE_SUSPEND,
diff --git a/src/core/monitor-xrandr.c b/src/core/monitor-xrandr.c
index 5e02c0a..5178801 100644
--- a/src/core/monitor-xrandr.c
+++ b/src/core/monitor-xrandr.c
@@ -351,13 +351,13 @@ meta_monitor_manager_xrandr_read_current (MetaMonitorManager *manager)
           manager->power_save_mode = META_POWER_SAVE_OFF;
           break;
         default:
-          manager->power_save_mode = META_POWER_SAVE_UNKNOWN;
+          manager->power_save_mode = META_POWER_SAVE_UNSUPPORTED;
           break;
         }
     }
   else
     {
-      manager->power_save_mode = META_POWER_SAVE_UNKNOWN;
+      manager->power_save_mode = META_POWER_SAVE_UNSUPPORTED;
     }
 
   XRRGetScreenSizeRange (manager_xrandr->xdisplay, DefaultRootWindow (manager_xrandr->xdisplay),
diff --git a/src/core/monitor.c b/src/core/monitor.c
index 5b08e05..9ec0c2a 100644
--- a/src/core/monitor.c
+++ b/src/core/monitor.c
@@ -541,8 +541,8 @@ meta_monitor_manager_set_power_save_mode (MetaMonitorManager *manager,
 {
   MetaMonitorManagerClass *klass;
 
-  if (manager->power_save_mode == META_POWER_SAVE_UNKNOWN ||
-      mode == META_POWER_SAVE_UNKNOWN)
+  if (manager->power_save_mode == META_POWER_SAVE_UNSUPPORTED ||
+      mode == META_POWER_SAVE_UNSUPPORTED)
     return;
 
   klass = META_MONITOR_MANAGER_GET_CLASS (manager);