[gdm] data: change fallback session name to gdm-fallback

[Ray Strode <halfline src gnome org>]

commit 67f2afb076246c7d951701c4220441be0a1a6960
Author: Ray Strode <rstrode redhat com>
Date:   Tue Aug 30 12:32:10 2011 -0400

    data: change fallback session name to gdm-fallback

 data/gdm-shell.session.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/gdm-shell.session.in b/data/gdm-shell.session.in
index 82c3dec..496cc10 100644
--- a/data/gdm-shell.session.in
+++ b/data/gdm-shell.session.in
@@ -2,4 +2,4 @@
 Name=Display Manager
 RequiredComponents=gnome-shell;gnome-settings-daemon;
 IsRunnableHelper=bash -c 'gnome-shell --help | grep -q gdm-mode && @libexecdir@/gnome-session-check-accelerated'
-FallbackSession=gdm
+FallbackSession=gdm-fallback