[gnome-session] xsmp-server: make error message more clear

[Ray Strode <halfline src gnome org>]

commit dcd02a75d419247e2dd1b3dfc944f1ac15a0559b
Author: Ray Strode <rstrode redhat com>
Date:   Thu Jul 19 13:48:07 2012 -0400

    xsmp-server: make error message more clear

 gnome-session/gsm-xsmp-server.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gnome-session/gsm-xsmp-server.c b/gnome-session/gsm-xsmp-server.c
index 449243a..142902b 100644
--- a/gnome-session/gsm-xsmp-server.c
+++ b/gnome-session/gsm-xsmp-server.c
@@ -494,8 +494,8 @@ update_iceauthority (GsmXsmpServer *server,
         } else {
                 int fd;
 
-                if (g_file_test (filename, G_FILE_TEST_EXISTS)) {
-                        g_warning ("Unable to read ICE authority file: %s", filename);
+                if (errno != EEXIST) {
+                        g_warning ("Unable to read ICE authority file %s: %m", filename);
                         goto cleanup;
                 }