[gdm] Ignore execute subfolders under /etc/X11/xinit/xinitrc.d/

[Ray Strode <halfline src gnome org>]

commit a998fc72ac782353fa2378c51221d369ac2686d4
Author: Halton Huo <halton huo sun com>
Date:   Tue Jan 12 11:52:19 2010 -0500

    Ignore execute subfolders under /etc/X11/xinit/xinitrc.d/
    
    https://bugzilla.gnome.org/show_bug.cgi?id=606609

 data/Xsession.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/data/Xsession.in b/data/Xsession.in
index d972056..6c7761a 100755
--- a/data/Xsession.in
+++ b/data/Xsession.in
@@ -180,7 +180,7 @@ fi
 # run all system xinitrc shell scripts.
 if [ -d /etc/X11/xinit/xinitrc.d ]; then
     for i in /etc/X11/xinit/xinitrc.d/* ; do
-        if [ -x "$i" ]; then
+        if [ -x "$i" -a ! -d "$i" ]; then
 	    . "$i"
         fi
     done