[gdm] manager: don't require session to be on a seat

[Ray Strode <halfline src gnome org>]

commit 82b06929d8fdcf6000388601b39c7a772aac95c7
Author: Ray Strode <rstrode redhat com>
Date:   Thu Mar 27 16:44:55 2014 -0400

    manager: don't require session to be on a seat
    
    vnc sessions, for instance, aren't on a seat.

 daemon/gdm-manager.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/daemon/gdm-manager.c b/daemon/gdm-manager.c
index 2fc2ae5..65b3dee 100644
--- a/daemon/gdm-manager.c
+++ b/daemon/gdm-manager.c
@@ -1151,7 +1151,7 @@ gdm_manager_handle_open_reauthentication_channel (GdmDBusManager        *manager
                 return TRUE;
         }
 
-        if (seat_id == NULL || session_id == NULL || pid == 0 || uid == (uid_t) -1) {
+        if (session_id == NULL || pid == 0 || uid == (uid_t) -1) {
                 g_dbus_method_invocation_return_error_literal (invocation,
                                                                G_DBUS_ERROR,
                                                                G_DBUS_ERROR_ACCESS_DENIED,