[network-manager-applet] Drop deprecated gtk_dialog_set_has_separator()

[Martin Pitt <martinpitt src gnome org>]

commit c3644402e9e3ade371bada2547e248cd2601e6a6
Author: Martin Pitt <martin pitt ubuntu com>
Date:   Fri Oct 1 12:09:28 2010 +0200

    Drop deprecated gtk_dialog_set_has_separator()
    
    https://bugzilla.gnome.org/show_bug.cgi?id=631083

 src/wireless-dialog.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/wireless-dialog.c b/src/wireless-dialog.c
index 98b684c..621526f 100644
--- a/src/wireless-dialog.c
+++ b/src/wireless-dialog.c
@@ -1069,7 +1069,6 @@ internal_init (NMAWirelessDialog *self,
 	gtk_container_set_border_width (GTK_CONTAINER (self), 6);
 	gtk_window_set_default_size (GTK_WINDOW (self), 488, -1);
 	gtk_window_set_resizable (GTK_WINDOW (self), FALSE);
-	gtk_dialog_set_has_separator (GTK_DIALOG (self), FALSE);
 
 	priv->auth_only = auth_only;
 	if (auth_only)