[gdm] session: fix typo in previous commit

[Ray Strode <halfline src gnome org>]

commit 3caf50c24fcc457fed28c74c2fe9190a6621e436
Author: Ray Strode <rstrode redhat com>
Date:   Tue Mar 17 10:12:11 2015 -0400

    session: fix typo in previous commit
    
    <krnowak> halfline: "if (g_strcmp0 (session_type, session_type) != 0) {" ?
    <halfline> ahhhhh
    <halfline> thank you
    <krnowak> No problem.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=746348

 daemon/gdm-session.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/daemon/gdm-session.c b/daemon/gdm-session.c
index f8522eb..16734a8 100644
--- a/daemon/gdm-session.c
+++ b/daemon/gdm-session.c
@@ -3124,7 +3124,7 @@ set_session_type (GdmSession *self,
                   const char *session_type)
 {
 
-        if (g_strcmp0 (session_type, session_type) != 0) {
+        if (g_strcmp0 (self->priv->session_type, session_type) != 0) {
                 g_debug ("GdmSession: setting session to type '%s'", session_type? session_type : "");
                 g_free (self->priv->session_type);
                 self->priv->session_type = g_strdup (session_type);