[network-manager-applet] vlan: fix setting/validation of VLAN interface name

[Jiří Klimeš <jklimes src gnome org>]

commit bd8a33d17abb493bb5742fa8ee1144e4fe494ebb
Author: Jiří Klimeš <jklimes redhat com>
Date:   Fri Feb 27 11:10:35 2015 +0100

    vlan: fix setting/validation of VLAN interface name

 src/connection-editor/page-vlan.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/connection-editor/page-vlan.c b/src/connection-editor/page-vlan.c
index cd68ca7..11990a2 100644
--- a/src/connection-editor/page-vlan.c
+++ b/src/connection-editor/page-vlan.c
@@ -554,7 +554,7 @@ ui_to_setting (CEPageVlan *self)
        iface = gtk_entry_get_text (priv->name_entry);
        vid = gtk_spin_button_get_value_as_int (priv->id_entry);
 
-       g_object_set (s_con, NM_SETTING_CONNECTION_INTERFACE_NAME, iface, NULL);
+       g_object_set (s_con, NM_SETTING_CONNECTION_INTERFACE_NAME, *iface ? iface : NULL, NULL);
        g_object_set (priv->setting,
                      NM_SETTING_VLAN_PARENT, parent_uuid ? parent_uuid : parent_iface,
                      NM_SETTING_VLAN_ID, vid,