[network-manager-applet: 5/6] libnma: fix WirelessSecurity refcounting

[Beniamino Galvani <bgalvani src gnome org>]

commit a1c9135595881b53a8d417e97a845ced7f21f748
Author: Beniamino Galvani <bgalvani redhat com>
Date:   Thu Dec 22 18:26:12 2016 +0100

    libnma: fix WirelessSecurity refcounting
    
    gtk_tree_model_get() copies the returned boxed value, i.e. it calls
    wireless_security_ref() and thus the element must be unreferenced
    afterwards.

 src/libnma/nma-wifi-dialog.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/libnma/nma-wifi-dialog.c b/src/libnma/nma-wifi-dialog.c
index ca989fc..a7098ee 100644
--- a/src/libnma/nma-wifi-dialog.c
+++ b/src/libnma/nma-wifi-dialog.c
@@ -269,6 +269,9 @@ stuff_changed_cb (WirelessSecurity *sec, gpointer user_data)
        if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (priv->sec_combo), &iter))
                gtk_tree_model_get (model, &iter, S_SEC_COLUMN, &sel_sec, -1);
 
+       if (sel_sec)
+               wireless_security_unref (sel_sec);
+
        if (sel_sec != sec)
                return;