[gnome-screensaver] Only autostart in fallback mode

[Matthias Clasen <matthiasc src gnome org>]

commit 3d44b1f3844f344092901b307bd195a01769c3a5
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jul 21 15:40:20 2012 -0400

    Only autostart in fallback mode
    
    gnome-shell now has its own lock screen implementation, so
    gnome-screensaver is only needed in fallback mode.

 src/gnome-screensaver.desktop.in.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/gnome-screensaver.desktop.in.in b/src/gnome-screensaver.desktop.in.in
index 82d6d6f..fae80c4 100644
--- a/src/gnome-screensaver.desktop.in.in
+++ b/src/gnome-screensaver.desktop.in.in
@@ -5,6 +5,7 @@ _Comment=Launch screensaver and locker program
 Icon=preferences-desktop-screensaver
 Exec=gnome-screensaver
 OnlyShowIn=GNOME;
+AutostartCondition=GNOME3 if-session gnome-fallback
 NoDisplay=true
 X-GNOME-Autostart-Phase=Application
 X-GNOME-Autostart-Notify=true