[gdm] smartcard-manager: Fix previous g_unix_open_pipe() commit

[Colin Walters <walters src gnome org>]

commit 6fed6c487641cd685841256db7fb91b9e8ecee2a
Author: Colin Walters <walters verbum org>
Date:   Tue Jan 22 19:42:04 2013 -0500

    smartcard-manager: Fix previous g_unix_open_pipe() commit
    
    I didn't notice this wasn't even compiling since gnome-ostree has
    --disable-split-authentication.

 .../extensions/smartcard/gdm-smartcard-manager.c   |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gui/simple-greeter/extensions/smartcard/gdm-smartcard-manager.c b/gui/simple-greeter/extensions/smartcard/gdm-smartcard-manager.c
index 0412f2c..6ce5853 100644
--- a/gui/simple-greeter/extensions/smartcard/gdm-smartcard-manager.c
+++ b/gui/simple-greeter/extensions/smartcard/gdm-smartcard-manager.c
@@ -1331,7 +1331,7 @@ gdm_smartcard_manager_create_worker (GdmSmartcardManager  *manager,
         GdmSmartcardManagerWorker *worker;
 	gint pipefds[2];
 
-        if (!g_unix_open_pipe (pipefds, FD_CLOEXEC)) {
+        if (!g_unix_open_pipe (pipefds, FD_CLOEXEC, NULL)) {
                 return FALSE;
         }